Annotation of loncom/interface/lonpopulate.pm, revision 1.61

1.4       albertel    1: # automated enrollment configuration handler
1.61    ! bisitz      2: # $Id: lonpopulate.pm,v 1.60 2009/04/04 21:47:41 bisitz Exp $
1.4       albertel    3: #
                      4: # Copyright Michigan State University Board of Trustees
                      5: #
                      6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      7: #
                      8: # LON-CAPA is free software; you can redistribute it and/or modify
                      9: # it under the terms of the GNU General Public License as published by
                     10: # the Free Software Foundation; either version 2 of the License, or
                     11: # (at your option) any later version.
                     12: #
                     13: # LON-CAPA is distributed in the hope that it will be useful,
                     14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     16: # GNU General Public License for more details.
                     17: #
                     18: # You should have received a copy of the GNU General Public License
                     19: # along with LON-CAPA; if not, write to the Free Software
                     20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     21: #
                     22: # /home/httpd/html/adm/gpl.txt
                     23: #
                     24: # http://www.lon-capa.org/
                     25: #
1.1       raeburn    26: package Apache::lonpopulate;
                     27: 
                     28: use strict;
                     29: use lib qw(/home/httpd/lib/perl);
1.7       raeburn    30: use Apache::lonnet;
                     31: use Apache::loncommon;
                     32: use Apache::lonhtmlcommon;
1.3       albertel   33: use Apache::lonlocal;
1.14      raeburn    34: use Apache::loncoursedata;
1.43      raeburn    35: use Apache::longroup;
1.51      raeburn    36: use Apache::lonuserutils;
1.1       raeburn    37: use Apache::Constants qw(:common :http REDIRECT);
                     38: use Time::Local;
1.7       raeburn    39: use LONCAPA::Enrollment;
1.1       raeburn    40: 
                     41: ###############################################################
                     42: sub header {
1.41      albertel   43:     return &Apache::loncommon::start_page('Classlist Manager');
1.1       raeburn    44: }
                     45: 
                     46: ###############################################################
                     47: 
                     48: sub choose_header {
1.41      albertel   49:     my ($action) = @_;
1.45      raeburn    50:     my $notify_check = '/^note_[0-9]+$/';
1.1       raeburn    51:     my $scripttag = qq|
1.58      bisitz     52: <script type=\"text/javascript\" language=\"JavaScript\">
1.1       raeburn    53: <!--
1.16      raeburn    54: function process(calling,numauto,nummanual,numlock,numunlock) {
1.1       raeburn    55:  var checker = 1
                     56:  var rad1 = 0
                     57:  var rad2 = 0
                     58:  var formName = document.forms.enter
1.14      raeburn    59:  if (calling == "viewclass") {
                     60:      formName = document.forms.studentform
                     61:  }
1.1       raeburn    62:  formName.action.value = calling
                     63:  if (calling == "chgsettings") {
                     64:    for (var j=0; j<formName.autoadds.length; j++) {
                     65:        if (formName.autoadds[j].checked) {
                     66:            rad1 = 1
                     67:        }
                     68:    }
                     69:    for (var k=0; k<formName.autodrops.length; k++) {
                     70:        if (formName.autodrops[k].checked) {
                     71:            rad2 = 1
                     72:        }
                     73:    }
                     74:    if (rad1 == 0) {
1.17      raeburn    75:        alert("You must select either 'Enable' or 'Disable' for nightly additions based on classlist changes")
1.1       raeburn    76:        checker = 0
                     77:    }
                     78:    if (rad2 == 0) {
1.17      raeburn    79:        alert("You must select either 'Enable' or 'Disable' for nightly removals based on classlist changes")
1.1       raeburn    80:        checker = 0
                     81:    }
                     82:  }
                     83:  if (calling == "updatenow") {
                     84:      var enrolldis
                     85:      var unenrolldis
                     86:      for (var j=0; j<formName.updateadds.length; j++) {
                     87:          if (formName.updateadds[j].value == 0) {
                     88:              enrolldis = j
                     89:          }
                     90:          if (formName.updateadds[j].checked) {
                     91:              rad1 = 1
                     92:          }
                     93:      }
                     94:      for (var k=0; k<formName.updatedrops.length; k++) {
                     95:          if (formName.updatedrops[k].value == 0) {
                     96:              unenrolldis = k 
                     97:          }
                     98:          if (formName.updatedrops[k].checked) {
                     99:              rad2 = 1
                    100:          }
                    101:      }
                    102:      if (rad1 == 0) {
1.17      raeburn   103:          alert("You must select either 'Yes' or 'No' for immediate addition of newly registered students to the roster")
1.1       raeburn   104:          checker = 0
                    105:      }
                    106:      if (rad2 == 0) {
1.17      raeburn   107:          alert("You must select either 'Yes' or 'No' for immediate removal of unregistered students from the roster")
1.1       raeburn   108:          checker = 0
                    109:      }
                    110:      if (formName.updatedrops[unenrolldis].checked && formName.updateadds[enrolldis].checked ) {
1.17      raeburn   111:          alert("You have selected 'No' for both addition and removal of students\\n in the Registrar's classlist but not in your LON-CAPA course.  \\nHence there is no update to carry out")
1.1       raeburn   112:          checker = 0
                    113:      }
                    114:  }
1.45      raeburn   115:  if (calling == "notify") {
                    116:      var totalnote = 0;
1.47      albertel  117:      for (var i=0; i<formName.elements.length; i++) {
                    118: 	 var elementname = formName.elements[i].name;
                    119: 	 var check_name = elementname.match($notify_check);
                    120: 	 if (check_name != null) {
                    121: 	     if (formName.elements[i].checked) {
                    122: 		 totalnote ++;
                    123: 	     }
                    124: 	 } 
                    125:      }
                    126:      if (totalnote > 0) {
                    127: 	 if (formName.notify[1].checked == true) {
                    128: 	     if (confirm("You have indicated that you do not want notification of roster changes messages to be sent, but "+totalnote+" have been checked as recipients.\\nClick 'OK' to erase all recipients, or 'Cancel'.")) {
                    129: 		 checker  = 1;
                    130: 	     } else {
                    131: 		 checker = 0;
                    132: 	     }
                    133: 	 }
                    134:      } else {
                    135: 	 if (formName.notify[0].checked == true) {
                    136: 	     alert("You have indicated that you want notification of roster changes messages to be sent, but you have not selected any recipients.");
                    137: 	     checker = 0;
                    138: 	 }
1.45      raeburn   139:      }
                    140:  }
1.14      raeburn   141:  if (calling == "viewclass") {
1.16      raeburn   142:      var totcheck = 0
1.20      raeburn   143:      var numchk = 0
1.16      raeburn   144:      if (numauto > 0) {
1.20      raeburn   145:          numchk = countChecked(document.studentform.chgauto);
                    146:          totcheck = totcheck + numchk
1.16      raeburn   147:      }
                    148:      if (nummanual > 0) {
1.20      raeburn   149:          numchk = countChecked(document.studentform.chgmanual);
                    150:          totcheck = totcheck + numchk
1.16      raeburn   151:      }
                    152:      if (numlock > 0) {
1.20      raeburn   153:          numchk = countChecked(document.studentform.lockchg);
                    154:          totcheck = totcheck + numchk
1.16      raeburn   155:      }
                    156:      if (numunlock > 0) {
1.20      raeburn   157:          numchk = countChecked(document.studentform.unlockchg);
                    158:          totcheck = totcheck + numchk
1.16      raeburn   159:      }
                    160:      if (totcheck > 0) {
1.20      raeburn   161:         document.forms.studentform.state.value = "process";
                    162:      }
                    163:      if (totcheck == 0) {
1.16      raeburn   164:         alert("You must check at least one checkbox, before proceeding to the next page")
                    165:         checker = 0
                    166:      }
1.14      raeburn   167:  } 
1.1       raeburn   168:  if (checker == 1) {  
                    169:      formName.submit();
                    170:  }
                    171: }
1.16      raeburn   172: |;
                    173:     if ($action eq 'viewclass') {
1.25      raeburn   174:         $scripttag .= &Apache::loncommon::check_uncheck_jscript();
1.16      raeburn   175:         $scripttag .= qq|
1.20      raeburn   176: function countChecked(field) {
                    177:     var count = 0;
                    178:     if (field.length > 0) {
                    179:         for (var i=0; i<field.length; i++) {
                    180:             if (field[i].checked == true) {
                    181:                 count ++
                    182:             }
                    183:         }
                    184:     } else {
                    185:         if (field.checked == true) {
                    186:             count ++
                    187:         }
                    188:     }
                    189:     return count
                    190: }
                    191: 
1.16      raeburn   192: |;
                    193:     }
                    194:     $scripttag .= qq|
1.1       raeburn   195: // End hiding -->
                    196: </script>
                    197: |;
1.41      albertel  198: 
                    199:     return &Apache::loncommon::start_page('Classlist Manager',
                    200: 					  $scripttag);
1.1       raeburn   201: }
                    202: 
                    203: sub print_mainbox {
                    204:     my ($r,$tasklongref,$realm,$reply) = @_;
                    205:     my $action = "information";
1.23      albertel  206:     if ( exists($env{'form.action'}) ) {
                    207:         $action = $env{'form.action'};
1.1       raeburn   208:     }
                    209:     my $page = '';
                    210:     if ($action eq "information") {
1.56      bisitz    211:         $page = "<b>".&mt("Automated Enrollment")."</b>";
1.1       raeburn   212:     } else {
1.56      bisitz    213:         $page =  '<a href="/adm/populate">'.&mt('Automated Enrollment').'</a>';
1.1       raeburn   214:         if ($reply) {
                    215:             if ($action eq "newcross") {
                    216:                 $action = "crosslist";
                    217:             } elsif ($action eq "newsections") {
                    218:                 $action = "sections"; 
                    219:             }
                    220:             $page .= "-&gt; <a href=\"/adm/populate?action=$action\">".$$tasklongref{$action}."</a> -&gt; <b>result</b>";
                    221:         } else {
                    222:             $page .=  " -&gt; <b>".$$tasklongref{$action}."</b>"; 
                    223:         }
                    224:     }
1.56      bisitz    225:     my $usrmang = &mt('User Management');
                    226:     my $autenrl = &mt('Automated Enrollment Manager');
1.1       raeburn   227:     $r->print(<<ENDTHIS);
                    228: <table width="100%" border="0" cellpadding="0" cellspacing="0">
                    229:  <tr>
                    230:   <td bgcolor="#CCCCFF"> 
1.56      bisitz    231:    <font size="2"><a href="/adm/menu">$realm</a> -&gt; <a href="/adm/createuser">$usrmang</a> -&gt; $page</font><br/>
1.1       raeburn   232:   </td>
                    233:   <td align="right" bgcolor="#CCCCFF" valign="top">
1.56      bisitz    234:    <font size="+1">$autenrl&nbsp;</font>
1.1       raeburn   235:   </td>
                    236:  </tr>
                    237: </table>
                    238: <table width="100%" border="0" cellpadding="0" cellspacing="0">
                    239:  <tr>
                    240: ENDTHIS
                    241: }
                    242: 
                    243: sub print_navmenu {
                    244:     my ($r,$tasksref,$tasklongref) = @_;
                    245:     my $action = "information";
1.23      albertel  246:     if (exists($env{'form.action'}) ) {
                    247:         $action = $env{'form.action'};
1.1       raeburn   248:     }
                    249:     $r->print(<<ENDONE);
                    250:   <td width="10" valign="top" bgcolor="#DDFFFF">&nbsp;</td>
                    251:   <td width="20%" valign="top" bgcolor="#DDFFFF">
                    252:    <br/>
                    253: ENDONE
                    254:     foreach my $task (@{$tasksref}) {
                    255:         if ($task eq $action) {
                    256:             $r->print(" 
                    257:    <p>
                    258:    <font color=\"#999999\">
                    259:     <b>$$tasklongref{$task}</b><br/>
                    260:    </font>
                    261:    </p>"); 
                    262:         } else {
                    263:             $r->print("
                    264:    <p>
                    265:    <font color=\"#004263\">
                    266:     <b><a href=\"/adm/populate?action=$task\">$$tasklongref{$task}</a></b><br/>
                    267:    </font> 
                    268:    </p>");
                    269: 
                    270:         }
                    271:     }
                    272:     $r->print("
                    273:   <p>&nbsp;</p>
                    274:   </td>
                    275:   <td width=\"10\" valign=\"top\" bgcolor=\"#CCCCFF\">&nbsp;</td>
                    276:   <td width=\"10\" valign=\"top\" bgcolor=\"#FFFFFF\">&nbsp;</td>
                    277:   <td bgcolor=\"#ffffff\" valign=\"top\">");
                    278: }
                    279: 
                    280: ###############################################################
                    281: 
                    282: sub print_main_frame {
1.13      raeburn   283:   my ($r,$realm,$dom,$crs,$tasktitleref) = @_;
1.1       raeburn   284:   my $action = "information";
1.23      albertel  285:   if (exists($env{'form.action'}) ) {
                    286:       $action = $env{'form.action'};
1.1       raeburn   287:   }
                    288: 
                    289: # Get course settings
                    290:   my %enrollvar;
                    291:   my @bgcolors=("#eeeeee","#cccccc");
                    292:   my %settings = &Apache::lonnet::dump('environment',$dom,$crs);
                    293:   foreach my $item (keys %settings) {
                    294:       if ($item =~ m/^internal\.(.+)$/) {
                    295:           $enrollvar{$1} = $settings{$item};
1.14      raeburn   296:       } elsif ($item =~ /^default_enrollment_(start|end)_date$/) {
                    297:           $enrollvar{$item} = $settings{$item};
1.1       raeburn   298:       }
                    299:   }
                    300: 
                    301:   if ($action eq "information") {
                    302:       $r->print(<<ENDONE);
1.2       raeburn   303:           <br/><table border='0' width='100%'>
1.1       raeburn   304:             <tr>
                    305:               <td>&nbsp;</td>
                    306:               <td><b>Use the menu on the left to choose an enrollment management task.</b><br/><br/></td>
                    307:             <tr>
                    308:               <td>&nbsp;</td>
1.16      raeburn   309:               <td>Use <i>"Automated adds/drops"</i> to enable or disable automatic nightly adds or drops in your LON-CAPA course based on institutional enrollment information.</td>
1.1       raeburn   310:             </tr>
                    311:             <tr>
                    312:               <td>&nbsp;</td>
                    313:               <td>Use <i>"Change enrollment dates"</i> to change the date of first automated enrollment and/or the date of last automated enrollment for registered students.</td>
                    314:             </tr>
                    315:             <tr>
                    316:               <td>&nbsp;</td>
1.14      raeburn   317:               <td>Use <i>"Change access dates"</i> to change the default start and/or end dates for student roles created by automated enrollment.</td>
                    318:             </tr>
                    319:             <tr>
                    320:               <td>&nbsp;</td>
1.1       raeburn   321:               <td>Use <i>"Notification of changes"</i> to enable or disable notification of enrollment changes and to add or remove course coordinators from the recipient list.</td>
                    322:             </tr>
                    323:             <tr>
                    324:               <td>&nbsp;</td>
                    325:               <td>Use <i>"Change crosslisting"</i> to include or exclude enrollment from crosslisted classes.</td>
                    326:             </tr>
                    327:             <tr>
                    328:               <td>&nbsp;</td>
                    329:               <td>Use <i>"Section settings"</i> to make changes to the choice of sections included for enrollment in your LON-CAPA course.</td>
                    330:             </tr>
                    331:               <td>&nbsp;</td>
1.42      raeburn   332:               <td>Use <i>"Student photo settings"</i> to enable or disable automatic import of photos for registered students in your course.</td>
1.1       raeburn   333:             </tr>
                    334:             <tr>
                    335:               <td>&nbsp;</td>
                    336:               <td>Use <i>"Update roster now"</i> to add and/or drop students from your course based on the <b>most current</b> institutional classlist information.</td>
                    337:             </tr>
                    338:             <tr>
1.16      raeburn   339:               <td>&nbsp;</td>
1.34      raeburn   340:               <td>Use <i>"Update student photos"</i> to import your institution's <b>most current</b> digital photos for registered students in your course.</td>
                    341:             </tr>
                    342:             <tr>
                    343:               <td>&nbsp;</td>
1.16      raeburn   344:               <td>Use <i>"View students and change type"</i> to display the current course roster, and (optionally) change enrollment type for selected students from 'auto' to 'manual' and vice versa.</td>
                    345:             </tr>
                    346:             <tr>
1.1       raeburn   347:              <td colspan='2'>&nbsp;</td>
                    348:             </tr>
                    349:             <tr>
                    350:              <td>&nbsp;</td>
                    351:              <td><b>Note: if automated adds and/or drops are enabled, the nightly enrollment update will ONLY occur once the first enrollment date has been reached.</b></td>
                    352:             </tr>
                    353:           </table>
                    354: ENDONE
                    355:   } elsif ($action eq "chgsettings") {
                    356:       my @autosets = ("OFF","ON");
                    357:       $r->print(<<ENDTWO);
                    358:                   <form name="enter" method="post"><br/>
                    359: 		  <table width="100%" border="0" cellpadding="2" cellspacing="2">
                    360: 		   <tr>
                    361: 		    <td align="left"><b>$$tasktitleref{$action}</b><br/>
                    362: 		       Currently: Nightly adds: <i>$autosets[$enrollvar{autoadds}]</i>, Nightly drops: <i>$autosets[$enrollvar{autodrops}]</i>
                    363: 		    </td>
                    364:                    </tr>
                    365: 		  </table>
                    366: 		  <table width="100%" border="0" cellpadding="3" cellspacing="3">
                    367: 		    <tr>
                    368: 		     <td>
                    369: 		         Additions based on classlist changes:&nbsp;&nbsp;
                    370: ENDTWO
                    371:       if ($enrollvar{autoadds}) {
                    372:           $r->print("
1.59      bisitz    373: 			    <label><input type=\"radio\" name=\"autoadds\" value=\"1\" checked=\"checked\" />&nbsp;Enable&nbsp;&nbsp;&nbsp;</label>
1.39      albertel  374: 			    <label><input type=\"radio\" name=\"autoadds\" value=\"0\" />&nbsp;Disable</label>
1.1       raeburn   375:          ");
                    376:       } else {
                    377:           $r->print("
1.39      albertel  378:                             <label><input type=\"radio\" name=\"autoadds\" value=\"1\" />&nbsp;Enable&nbsp;&nbsp;&nbsp;</label>
1.59      bisitz    379:                             <label><input type=\"radio\" name=\"autoadds\" value=\"0\" checked=\"checked\" />&nbsp;Disable</label>
1.1       raeburn   380:          ");
                    381:       }
                    382:       $r->print("
                    383:               </td>
                    384:              </tr>
                    385:              <tr>
                    386:               <td>
                    387:  	       Removals based on classlist changes:&nbsp;&nbsp;");
                    388:       if ($enrollvar{autodrops}) {
                    389:           $r->print("
1.59      bisitz    390:                 <label><input type=\"radio\" name=\"autodrops\" value=\"1\" checked=\"checked\" />&nbsp;Enable&nbsp;&nbsp;&nbsp;</label>
1.39      albertel  391:                 <label><input type=\"radio\" name=\"autodrops\" value=\"0\" />&nbsp;Disable</label>");
1.1       raeburn   392:       } else {
                    393:           $r->print("
1.39      albertel  394:                 <label><input type=\"radio\" name=\"autodrops\" value=\"1\" />&nbsp;Enable&nbsp;&nbsp;&nbsp;</label>
1.59      bisitz    395:                 <label><input type=\"radio\" name=\"autodrops\" value=\"0\" checked=\"checked\" />&nbsp;Disable</label>");
1.1       raeburn   396:       }
                    397:       $r->print("
                    398:               </td>
                    399:              </tr>
                    400:              <tr>
                    401:               <td>
                    402:                <font color=\"#888888\">
1.52      raeburn   403: Note: Any students added manually by course coordinators using the User Manager will be unaffected by the nightly removal process if you choose to enable it.
1.1       raeburn   404:                </font>
                    405:               </td>
                    406:              </tr>
                    407:              <tr>
                    408:               <td align=\"right\">
1.39      albertel  409:                <input type=\"button\" name=\"chgsettings\" value=\"Go\" onclick=\"process('chgsettings')\" />
1.1       raeburn   410: 	      </td>
                    411:              </tr>
                    412: 	    </table>
1.39      albertel  413:             <input type=\"hidden\" name=\"action\" value=\"$action\" />
                    414:             <input type=\"hidden\" name=\"state\" value=\"process\" />
1.1       raeburn   415:             </form>
                    416:       ");
                    417:   } elsif ($action eq "setdates") {
1.14      raeburn   418:       my ($start_table,$end_table) = &date_setting_table($enrollvar{autostart},$enrollvar{autoend},$action);
1.10      raeburn   419:       my $oldstartshow = '';
                    420:       my $oldendshow = '';
                    421:       if ( defined($enrollvar{autostart}) ) {
1.14      raeburn   422:           $oldstartshow = &Apache::lonlocal::locallocaltime($enrollvar{autostart});
1.10      raeburn   423:       }
                    424:       if ( defined($enrollvar{autoend}) ) {
1.14      raeburn   425:           $oldendshow = &Apache::lonlocal::locallocaltime($enrollvar{autoend});
1.10      raeburn   426:           if ($enrollvar{autoend} == 0) {
                    427:               $oldendshow = "No ending date";
                    428:           }
                    429:       }
                    430:       my $dateshow;
                    431:       if ( ($oldendshow eq '') && ($oldstartshow eq '') ) {
1.14      raeburn   432:          $dateshow = "<br/><font size='+1'>Warning</font>. Currently <b>NO</b> first enrollment or last enrollment dates are set. You <b>must</b> use this menu to set a start date and an end date if you plan to utilise automated adds and/or drops in this course.\n";
1.10      raeburn   433:       } else {
                    434:          $dateshow = "Currently: First enrollment: <b><i>$oldstartshow</i></b>, Last enrollment: <b><i>$oldendshow</i></b>\n";
1.1       raeburn   435:       }
                    436:       $r->print(<<ENDTWO);
                    437:                   <form name="enter" method="post"><br/>              
                    438:                   <table width="100%" border="0" cellpadding="2" cellspacing="2">
                    439: 	           <tr>
1.10      raeburn   440: 	            <td align="left"><b>$$tasktitleref{$action}</b><br/><br/>
                    441:                      $dateshow
1.1       raeburn   442: 	            </td>
                    443:                    </tr>
                    444: 	          </table>
                    445:                   <table width="100%" border="0" cellpadding="3" cellspacing="3">
                    446:                    <tr>
                    447:                     <td align="left" colspan="2">
                    448:                      <table border="0" cellspacing="0" cellpadding="2">
                    449:                       <tr>
                    450:                        <td colspan="3">
                    451:                         <i>Set date of first automated enrollment for registered students</i>
                    452:                        </td>
                    453:                       </tr>
                    454:                       <tr>
                    455:                        <td>$start_table
                    456:                        </td>
                    457:                       </tr>
                    458:                      </table>
                    459:                     </td>
                    460:                    </tr>
                    461:                    <tr>
                    462:                     <td colspan="2"><font color="#888888">If automated adds and/or drops are enabled, then your class roster will be automatically updated nightly, once the first enrollment date has been reached. Prior to this date, the class roster will only contain students you have added directly using the standard LON-CAPA enrollment tools</font></td>
                    463:                    </tr>
                    464:                    <tr>
                    465:                     <td align="left" colspan="2">
                    466:                      <table border="0' cellspacing="0" cellpadding="2">
                    467:                       <tr>
                    468:                        <td colspan="3">
                    469:                         <i>Set date of last automated enrollment for registered students</i>
                    470:                        </td>
                    471:                       </tr>
                    472:                       <tr>
                    473:                        <td>$end_table
                    474:                        </td>
                    475:                       </tr>
                    476:                      </table>
                    477:                     </td>
                    478:                    </tr>
                    479:                    <tr>
                    480:                     <td colspan="2"><font color="#888888">If automated adds and/or drops are enabled, then your class roster will be automatically updated nightly, until the last enrollment date has been reached.</font></td>
                    481:                    </tr>
                    482:                   </table>
                    483:                   <table width="100%">
                    484:                    <tr>
                    485:                     <td align="right">
1.39      albertel  486:                       <input type="button" name="setdates" value="Go" onclick="process('setdates')" />
1.1       raeburn   487:                     </td>
                    488: 	           </tr>
                    489:                   </table>
1.39      albertel  490:                   <input type="hidden" name="action" value="$action" />
                    491:                   <input type="hidden" name="state" value="process" />
1.14      raeburn   492:                   </form>
                    493: ENDTWO
                    494:   } elsif ($action eq "setaccess") {
                    495:       &print_accessdate_table($r,\%enrollvar,$tasktitleref,$action);
                    496:       $r->print(<<ENDTWO);
                    497:                   <table width="100%">
                    498:                    <tr>
                    499:                     <td align="right">
1.39      albertel  500:                       <input type="button" name="$action" value="Go" onclick="process('$action')" />
1.14      raeburn   501:                     </td>
                    502:                    </tr>
                    503:                   </table>
1.39      albertel  504:                   <input type="hidden" name="action" value="$action" />
                    505:                   <input type="hidden" name="state" value="process" />
1.1       raeburn   506:                   </form>
                    507: ENDTWO
                    508:   } elsif ($action eq "notify") {
1.30      raeburn   509:       my $notifycount = 0;
1.28      albertel  510:       my @notified = split(/,/,$enrollvar{notifylist});
1.44      raeburn   511:       my @domcoord;
                    512:       my @showdom;
1.42      raeburn   513:       for (my $i=0; $i<@notified; $i++) {
                    514:           if ($notified[$i] !~ /:/) {
                    515:               $notified[$i] =~ s/\@/:/;
                    516:           }
                    517: 	  unless ($notified[$i] eq '') { $notifycount ++; } 
1.1       raeburn   518:       }
                    519:       my $noteset = '';
                    520:       if ($notifycount) {
                    521:           $noteset = "ON";
                    522:       } else {
                    523:           $noteset = "OFF";
                    524:       }
1.44      raeburn   525:       my %dompersonnel = &Apache::lonnet::get_domain_roles($dom,['dc']);
1.45      raeburn   526:       foreach my $server (keys(%dompersonnel)) {
                    527:           foreach my $user (sort(keys(%{$dompersonnel{$server}}))) {
1.44      raeburn   528:               my ($trole,$uname,$udom,$runame,$rudom,$rsec) = split(/:/,$user);
1.45      raeburn   529:               if (!grep(/^$uname:$udom$/,@domcoord)) {
1.44      raeburn   530:                   push(@domcoord,$uname.':'.$udom);
                    531:               }
                    532:           }
                    533:       }
1.1       raeburn   534:       $r->print("
                    535:                   <form name=\"enter\" method=\"post\"><br/>
                    536:                    <table width=\"100%\" border=\"0\" cellpadding=\"6\" cellspacing=\"0\">
                    537:                     <tr>
                    538:                      <td align=\"left\"><b>$$tasktitleref{$action}</b><br/>
                    539:                       Currently: Notification: $noteset
                    540:                      </td>
                    541:                     </tr>
                    542:                    </table>
                    543:                    <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    544:                     <tr>
                    545:                      <td>
                    546:                       Notification of LON-CAPA course roster changes resulting from nightly automated enrollment process?
                    547:       ");
                    548:       if ($notifycount) {
                    549:           $r->print("
1.59      bisitz    550:                         <label><input type=\"radio\" name=\"notify\" value=\"1\" checked=\"checked\" />&nbsp;Yes&nbsp;&nbsp;&nbsp;</label>
1.39      albertel  551:                         <label><input type=\"radio\" name=\"notify\" value=\"0\" />&nbsp;No</label>
1.1       raeburn   552:           ");
                    553:       } else {
                    554:           $r->print("
1.39      albertel  555:                         <label><input type=\"radio\" name=\"notify\" value=\"1\" />&nbsp;Yes&nbsp;&nbsp;&nbsp;</label>
1.59      bisitz    556:                         <label><input type=\"radio\" name=\"notify\" value=\"0\" checked=\"checked\" />&nbsp;No</label>
1.1       raeburn   557:           ");
                    558:       }
                    559:       $r->print("
                    560:               </td>
                    561:              </tr>
                    562:       ");
1.44      raeburn   563:       my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$dom,$crs);
                    564:       my @ccs;
                    565:       my %pname;
                    566:       my %notifystate;
                    567:       my %status;
                    568:       my $now = time;
                    569:       foreach my $person (sort(keys(%coursepersonnel))) {
                    570:           my $match = 0;
                    571:           my ($role,$user,$usec) = ($person =~ /^([^:]+):([^:]+:[^:]+):([^:]*)/);
                    572:           $user =~ s/:$//;
                    573:           my ($end,$start) = split(/:/,$coursepersonnel{$person});
                    574:           if ($end == -1 || $start == -1) {
                    575:               next;
                    576:           }
                    577:           if ($role eq 'cc')  {
1.45      raeburn   578:               unless (grep(/^$user$/,@ccs)) {
1.44      raeburn   579:                   if ($end && $end < $now) {
                    580:                       $status{$user} = 'previous';
                    581:                   } elsif ($start > $now) {
                    582:                       $status{$user} = 'future';
                    583:                   } else {
                    584:                       $status{$user} = 'active';
                    585:                   }
                    586:                   push(@ccs,$user);
                    587:                   my ($uname,$udom) = split(/:/,$user);
                    588:                   $pname{$user} = 
                    589:                            &Apache::loncommon::plainname($uname,$udom);
1.45      raeburn   590:                   if (grep(/^$user$/,@notified)) {
1.44      raeburn   591:                       $notifystate{$user} = 1;
1.1       raeburn   592:                   } else {
1.44      raeburn   593:                       $notifystate{$user} = 0;
1.1       raeburn   594:                   }
                    595:               }
                    596:           }
                    597:       }
1.45      raeburn   598:       my $notifyshow = 0; 
1.44      raeburn   599:       my %lt = &Apache::lonlocal::texthash(
                    600:                                   name => 'Name',
                    601:                                   usnm => 'username:domain',
                    602:                                   coac => 'Course Access',
                    603:                                   curn => 'Current notification status',
                    604:                                   notf => 'Notification?',
                    605:                                   ntac => 'Notification active',
                    606:                                   ntin => 'Notification inactive',
                    607:       );
1.7       raeburn   608:       if (@ccs > 0) {
                    609:           @ccs = sort @ccs;
1.1       raeburn   610:           $r->print("
                    611:              <tr>
1.44      raeburn   612:                <td>".&mt('The table below contains a list of [_1]s in this course.',&Apache::lonnet::plaintext('cc'))."
1.1       raeburn   613:               </td>
                    614:              </tr>
                    615:              <tr>
1.42      raeburn   616:               <td>");
1.44      raeburn   617:           $r->print(&notifier_tables('cc',\%lt,\@ccs,\%status,\%notifystate,
                    618:                                      \%pname,\$notifyshow));
                    619:           $r->print("</td></tr>");
                    620:       } else {
1.42      raeburn   621:           $r->print("
1.44      raeburn   622:              <tr>
                    623:               <td>".
                    624:              &mt('No [_1]s found.',&Apache::lonnet::plaintext('cc'))."
                    625:             </td>
                    626:            </tr>");
                    627:       }
                    628:       my $viewer = $env{'user.name'}.':'.$env{'user.domain'};
                    629:       my $showalldc = 0;
                    630:       if (grep(/^$viewer$/,@domcoord)) {
                    631:           $showalldc = 1;
                    632:       }
                    633:       foreach my $dc (@domcoord) {
                    634:           if (!grep(/^$dc$/,@ccs)) {
                    635:               if (grep(/^$dc$/,@notified)) {
                    636:                   $notifystate{$dc} = 1;
1.7       raeburn   637:               } else {
1.44      raeburn   638:                   $notifystate{$dc} = 0;
                    639:                   if (!$showalldc) {
                    640:                       next;
                    641:                   }
1.7       raeburn   642:               }
1.44      raeburn   643:               my ($dcuname,$dcdom) = split(/:/,$dc);
                    644:               $pname{$dc} =  &Apache::loncommon::plainname($dcuname,$dcdom);
                    645:               push(@showdom,$dc);
1.7       raeburn   646:           }
1.44      raeburn   647:       }
                    648:       my $showdomnum = scalar(@showdom);
                    649:       if ($showdomnum) {
1.7       raeburn   650:           $r->print("
1.44      raeburn   651:              <tr>
                    652:               <td>&nbsp;</td>
                    653:              </tr><tr>
                    654:               <td>");
                    655:           if ($showalldc) {
                    656:               $r->print(&mt("The table below contains a list of [_1]s from this course's domain who are not also [_2]s.",&Apache::lonnet::plaintext('dc'),&Apache::lonnet::plaintext('cc')));
                    657:           } else {
                    658:               $r->print(&mt("The table below contains a list of [_1] from this course's domain who currently receive notification, and are not also [_2]s.",&Apache::lonnet::plaintext('dc'),&Apache::lonnet::plaintext('cc')));
                    659:           }
                    660:           $r->print(" 
1.7       raeburn   661:               </td>
                    662:              </tr>
1.44      raeburn   663:              <tr>
                    664:               <td>");
                    665:           $r->print(&notifier_tables('dc',\%lt,\@showdom,\%status,\%notifystate,
                    666:                                      \%pname,\$notifyshow));
1.1       raeburn   667:           $r->print("
1.44      raeburn   668:              </td>
                    669:           </tr>");
                    670:       }
1.45      raeburn   671:       if (@ccs > 0 || @showdom > 0) {
                    672:           $r->print("<tr><td>&nbsp;</td></tr><tr><td>");
                    673:           if ($notifycount) {
                    674:               $r->print(&mt("Uncheck the checkbox(es) to terminate notification for people currently informed of roster changes from the nightly enrollment update.<br />"));
                    675:          }
                    676:          if ((@ccs + @showdom) > $notifycount) {
                    677:              $r->print(&mt("Check the checkbox(es) to initiate notification for people not currently informed of roster changes from the nightly enrollment update.<br />"));
                    678:          }
1.50      albertel  679:          $r->print(&mt("Click 'Go' to save your changes.")."
1.44      raeburn   680:            <br/>
                    681:            <table width=\"100%\" border=\"0\" cellspadding=\"2\" cellspacing=\"2\">
                    682:             <tr>
                    683:              <td align=\"right\">
                    684:               <input type=\"button\" name=\"notifyset\" value=\"Go\" onclick=\"process('notify')\" />
                    685:              </td>
                    686:             </tr>
                    687:            </table>
                    688:           </td>
                    689:          </tr>
                    690:       ");
1.1       raeburn   691:       }
                    692:       $r->print("
1.44      raeburn   693:       </table>
                    694:       <input type=\"hidden\" name=\"notifyshow\" value=\"$notifyshow\" />
                    695:       <input type=\"hidden\" name=\"action\" value=\"$action\" />
                    696:       <input type=\"hidden\" name=\"state\" value=\"process\" />
                    697:       </form>
1.1       raeburn   698:       ");
                    699:   } elsif ($action eq "crosslist") {
1.28      albertel  700:       my @xlists;
                    701:       if ($enrollvar{crosslistings} ne '') {
                    702: 	  @xlists = split(/,/,$enrollvar{crosslistings});
1.1       raeburn   703:       }
1.29      albertel  704:       my $cross_str = @xlists;
1.1       raeburn   705:       $r->print("
                    706:             <form name=\"enter\" method=\"post\"><br/>
                    707:             <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                    708:              <tr>
                    709:               <td align=\"left\"><b>$$tasktitleref{$action}</b><br/>
                    710:       ");
                    711:       if ($cross_str > 0) {
                    712:           $r->print("
1.50      albertel  713:                 Currently, this LON-CAPA course is crosslisted with $cross_str course section(s).  Students enrolling in these course sections will be automatically added to the class roster for the course, if you have chosen to enable a nightly automated enrollment update.  For each crosslisting, leave the checkbox checked if you want registered students in that course to be included in the student roster for LON-CAPA course: <b>$realm ($enrollvar{coursecode})</b>; otherwise uncheck it. If you wish to change the section ID assigned in your LON-CAPA course for a crosslisted course, enter the new section ID in the appropriate textbox. The LON-CAPA section ID can be left (or set to) empty, if you do not wish to tie a section ID to this crosslisting. If you wish to add new crosslisted courses, enter the number of new courses to add in the textbox at the bottom of the page. You will provide information about each of the new crosslistings on a subsequent page.  Click 'Go' to save your changes.
1.1       raeburn   714:               </td>
                    715:              </tr>
                    716:             </table>
                    717:             <br/>
1.42      raeburn   718:            ");
                    719:            $r->print(&Apache::loncommon::start_data_table());
                    720:            $r->print(&Apache::loncommon::start_data_table_row());
                    721:            $r->print("
                    722:                  <th>Enrollment?</th>
                    723:                  <th>Crosslisted course</th>
                    724:                  <th>LON-CAPA section ID</th>
1.1       raeburn   725:           ");
1.42      raeburn   726:            $r->print(&Apache::loncommon::end_data_table_row());
1.1       raeburn   727:           for (my $i=0; $i<@xlists; $i++) {
                    728:               my $xl = '&nbsp;';
1.42      raeburn   729:               my $lc_sec = '&nbsp;';
1.31      raeburn   730:               if ($xlists[$i] =~ /^([^:]+):?(.*)$/) {
1.1       raeburn   731:                   $xl = $1;
1.42      raeburn   732:                   $lc_sec = $2;
1.1       raeburn   733:               }               
                    734:               my $colflag = $i%2;
1.42      raeburn   735:               $r->print(&Apache::loncommon::start_data_table_row());
1.1       raeburn   736:               $r->print("
1.59      bisitz    737:                  <td><input type=\"checkbox\" name=\"cross_$i\" checked=\"checked\" /></td>
1.1       raeburn   738:                  <td>$xl</td>
1.42      raeburn   739:                  <td><input type =\"text\" size=\"10\" name=\"lcsec_$i\" value=\"$lc_sec\" /></td>
1.1       raeburn   740:               ");
1.42      raeburn   741:               $r->print(&Apache::loncommon::end_data_table_row());
1.1       raeburn   742:           }
1.42      raeburn   743:           $r->print(&Apache::loncommon::end_data_table());
1.1       raeburn   744:       }
                    745:       else {
                    746:           $r->print("
                    747:                 Currently no crosslisted courses are recorded for $enrollvar{coursecode}.
                    748:               </td>
                    749:              </tr>
                    750:             </table>
                    751:           ");
                    752:       }
                    753:       $r->print("   
                    754:             <br/>
                    755:             <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    756:              <tr>
                    757:               <td align=\"left\">
                    758:                <b>Add new crosslistings.</b><br/>
                    759:                Number of new crosslistings to add:&nbsp;&nbsp;<input type=\"text\" size=\"2\" name=\"numcross\" value=\"0\" />
                    760:               </td>
                    761:              </tr>
                    762:             </table>
                    763:             <br/>
                    764:             <table width=\"100%\" border=\"0\" cellspadding=\"2\" cellspacing=\"2\">
                    765:              <tr>
                    766:               <td align=\"right\">
1.39      albertel  767:                <input type=\"button\" name=\"crosslist\" value=\"Go\" onclick=\"process('crosslist')\" />
1.1       raeburn   768:               </td>
                    769:              </tr>
                    770:             </table>
1.39      albertel  771:             <input type=\"hidden\" name=\"action\" value=\"$action\" />
                    772:             <input type=\"hidden\" name=\"state\" value=\"process\" />
1.1       raeburn   773:             </form> 
                    774:       ");
                    775:   } elsif ($action eq "sections") {
1.12      raeburn   776:       my @sections = ();
1.13      raeburn   777:       @sections = &Apache::lonnet::auto_get_sections($crs,$dom,$enrollvar{coursecode});
1.28      albertel  778:       my @storedsections = split(/,/,$enrollvar{sectionnums});
1.1       raeburn   779:       my @currsections = ();
                    780:       my %sec_id = ();
                    781:       foreach (@storedsections) {
                    782:           if ($_ =~ m/^(\w+):(\w*)$/) {
                    783:               push @currsections, $1;
                    784:               $sec_id{$1} = $2;
                    785:           }
                    786:       }
                    787:       if (@sections > 0) {
1.29      albertel  788:           my $secshow = @sections;
1.8       raeburn   789:           $r->print("
1.1       raeburn   790:             <form name=\"enter\" method=\"post\"><br/>
                    791:             <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    792:              <tr>
                    793:               <td align=\"left\">
                    794:                <b>$$tasktitleref{$action}</b><br/>
                    795:                Your institution's course catalog includes $secshow sections for course code: $enrollvar{coursecode}.
                    796:               </td>
                    797:              </tr>
                    798:              <tr>
1.50      albertel  799:               <td>For each section, check the checkbox if you want registered students in that section to be included in the student roster for LON-CAPA course: <b>$realm ($enrollvar{coursecode})</b>; otherwise uncheck it. If you want to change the section ID designation used for this section in LON-CAPA, delete the current value in the LON-CAPA section ID textbox and enter the new value. The LON-CAPA section ID can be left (or set to) empty, if you do not wish to tie a section ID to this section. To add a new section, check the 'Enrollment in this course?' checkbox, and enter the desired LON-CAPA section ID in the appropriate textbox. Click 'Go' to save your changes.</td>
1.1       raeburn   800:              </tr>
                    801:             </table>
                    802:             <br/>
1.8       raeburn   803:           ");
1.42      raeburn   804:           $r->print(&Apache::loncommon::start_data_table());
                    805:           $r->print(&Apache::loncommon::start_data_table_row());
                    806:           $r->print("
                    807:               <th>Section</th>
                    808:               <th>Current status</th>              
                    809:               <th>LON-CAPA section ID</th>
                    810:               <th>Enrollment in this course?</th>
                    811:           ");
                    812:           $r->print(&Apache::loncommon::end_data_table_row());
1.8       raeburn   813:           for (my $i=0; $i<@sections; $i++) {
                    814:               my $colflag = $i%2;
                    815:               my $shrflag = 0;
1.42      raeburn   816:               $r->print(&Apache::loncommon::start_data_table_row());
                    817:               $r->print("
1.5       raeburn   818:                    <td>$sections[$i]<input type=\"hidden\" name=\"secnum_$i\" value=\"$sections[$i]\" /></td>
1.1       raeburn   819:                    <td>
1.8       raeburn   820:               ");
                    821:               if (grep/^$sections[$i]$/,@currsections) {
                    822:                   $r->print("Enrollment active");
                    823:                   $shrflag = 1;
                    824:               } else {
                    825:                   $r->print("Enrollment inactive");
                    826:               }
                    827:               if ($shrflag) {
1.60      bisitz    828:                   $r->print("</td><td><input type=\"text\" size=\"10\" name=\"loncapasec_$i\" value=\"$sec_id{$sections[$i]}\" /></td><td><input type=\"checkbox\" name=\"sec_$i\" checked=\"checked\" /></td>"); 
1.8       raeburn   829:               } else {
1.42      raeburn   830:                   $r->print("</td><td><input type=\"text\" size=\"10\" name=\"loncapasec_$i\" value=\"\" /></td><td><input type=\"checkbox\" name=\"sec_$i\" /></td>");
1.1       raeburn   831:               }
1.42      raeburn   832:               $r->print(&Apache::loncommon::end_data_table_row());
1.8       raeburn   833:           }
1.42      raeburn   834:           $r->print(&Apache::loncommon::end_data_table());
1.8       raeburn   835:           $r->print("
1.7       raeburn   836:             <br/>
                    837:             <table width=\"100%\" border=\"0\" cellspacing=\"3\" cellpadding=\"3\">
                    838:              <tr> 
                    839:               <td align=\"right\">
                    840:                <input type=\"hidden\" name=\"secshow\" value=\"$secshow\" />
1.39      albertel  841:                <input type=\"button\" name=\"sections\" value=\"Go\" onclick=\"process('sections')\" />
1.7       raeburn   842:               </td>
                    843:              </tr>
                    844:             </table>
1.39      albertel  845:             <input type=\"hidden\" name=\"action\" value=\"$action\" />
                    846:             <input type=\"hidden\" name=\"state\" value=\"process\" />
1.7       raeburn   847:             </form>
1.8       raeburn   848:           ");
1.1       raeburn   849:       } else {
                    850:           $r->print("
                    851:             <form name=\"enter\" method=\"post\"><br/>
                    852:             <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                    853:              <tr>
                    854:               <td align=\"left\"><b>$$tasktitleref{$action}</b><br/>
                    855:           ");
                    856:           if (@currsections) {
1.29      albertel  857:               my $secshow = @currsections;
1.1       raeburn   858:               $r->print("
1.50      albertel  859:                 Currently, this LON-CAPA course incorporates enrollment from $secshow sections.  Students enrolling in any of these course sections will be automatically added to the class roster for the course, if you have chosen to enable a nightly automated enrollment update. For each section, uncheck the checkbox if you want registered students in that section to cease being included in the student roster for LON-CAPA course: <b>$realm ($enrollvar{coursecode})</b>; otherwise leave it checked. If you want to change the section ID designation used for this section in LON-CAPA, delete the current value in the LON-CAPA section ID textbox and enter the new value.  If you wish to add new course section, enter the number of new sections to add in the textbox at the bottom of the page. You will provide information about each of the new sections on a subsequent page. Click 'Go' to save your changes.
1.1       raeburn   860:               </td>
                    861:              </tr>
                    862:             </table>
                    863:             <br/>
                    864:               ");
1.42      raeburn   865:               $r->print(&Apache::loncommon::start_data_table());
                    866:               $r->print(&Apache::loncommon::start_data_table_row());
                    867:               $r->print("
                    868:                  <th>Enrollment?</th>
                    869:                  <th>Section</th>
                    870:                  <th>LON-CAPA section ID</th>
                    871:               ");
                    872:               $r->print(&Apache::loncommon::end_data_table_row());
1.1       raeburn   873:               for (my $j=0; $j<@currsections; $j++) {
                    874:                   my $colflag = $j%2;
1.42      raeburn   875:                   $r->print(&Apache::loncommon::start_data_table_row());
1.1       raeburn   876:                   $r->print("
1.59      bisitz    877:                  <td><input type=\"checkbox\" name=\"sec_$j\" checked=\"checked\" /></td>
1.1       raeburn   878:                  <td>$currsections[$j]</td>
1.42      raeburn   879:                  <td><input type=\"text\" name=\"lcsec_$j\" size=\"10\" value=\"$sec_id{$currsections[$j]}\" /></td>
1.1       raeburn   880:                   ");
1.42      raeburn   881:                   $r->print(&Apache::loncommon::end_data_table_row());
1.1       raeburn   882:               }
1.42      raeburn   883:               $r->print(&Apache::loncommon::end_data_table());
1.1       raeburn   884:           } else {
                    885:               $r->print("
                    886:                 Currently no sections of $realm ($enrollvar{coursecode}) are contributing enrollment to the LON-CAPA class roster.
                    887:               </td>
                    888:              </tr>
                    889:             </table>
                    890:               ");
                    891:           }
                    892:           $r->print("   
                    893:             <br/>
                    894:             <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    895:              <tr>
                    896:               <td align=\"left\">
                    897:                <b>Add enrollment from additional sections.</b><br/>
                    898:                Number of new sections to add:&nbsp;&nbsp;<input type=\"text\" size=\"2\" name=\"numsec\" value=\"0\" />
                    899:               </td>
                    900:              </tr>
                    901:             </table>
                    902:             <br/>
                    903:             <table width=\"100%\" border=\"0\" cellspadding=\"2\" cellspacing=\"2\">
                    904:              <tr>
                    905:               <td align=\"right\">
1.39      albertel  906:                <input type=\"button\" name=\"sections\" value=\"Go\" onclick=\"process('sections')\" />
1.1       raeburn   907:               </td>
                    908:              </tr>
                    909:             </table>
1.39      albertel  910:             <input type=\"hidden\" name=\"action\" value=\"$action\" />
                    911:             <input type=\"hidden\" name=\"state\" value=\"process\" />
1.1       raeburn   912:             </form> 
                    913:           ");
                    914:       }
                    915:   } elsif ($action eq "photos") {
                    916:       my @photosets = ("OFF","ON");
                    917:       $r->print("
                    918:                   <form name=\"enter\" method=\"post\"><br/>
                    919:                   <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                    920:                    <tr>
                    921:                     <td align=\"left\"><b>$$tasktitleref{$action}</b><br/>
1.37      raeburn   922:                        Currently: Student photo import:  <i>$photosets[$enrollvar{showphoto}]</i>
1.1       raeburn   923:                     </td>
                    924:                    </tr>
                    925:                   </table>
                    926:                   <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    927:                     <tr>
                    928:                      <td>
                    929:                          Automatic import of student photos from institutional data repository:&nbsp;&nbsp;
                    930: 
                    931:       ");
1.37      raeburn   932:       if ($enrollvar{showphoto}) {
1.1       raeburn   933:           $r->print("
1.59      bisitz    934:                         <label><input type=\"radio\" name=\"showphotos\" value=\"1\" checked=\"checked\" />&nbsp;Yes&nbsp;&nbsp;&nbsp;</label>
1.39      albertel  935:                         <label><input type=\"radio\" name=\"showphotos\" value=\"0\" />&nbsp;No</label>
1.1       raeburn   936:           ");
                    937:       } else {
                    938:           $r->print("
1.39      albertel  939:                         <label><input type=\"radio\" name=\"showphotos\" value=\"1\" />&nbsp;Yes&nbsp;&nbsp;&nbsp;</label>
1.59      bisitz    940:                         <label><input type=\"radio\" name=\"showphotos\" value=\"0\" checked=\"checked\" />&nbsp;No</label>
1.1       raeburn   941:           ");
                    942:       }
1.34      raeburn   943:       $r->print('
                    944:                      </td>
                    945:                     </tr>
                    946:       ');
                    947:       my ($result,$perm_reqd)=&Apache::lonnet::auto_photo_permission($crs,$dom);
                    948:       my $can_enable = 1;
1.49      albertel  949:       my $institution = &Apache::lonnet::domain($dom,'description');
1.34      raeburn   950:       if ($result eq 'ok') {
                    951:           if ($perm_reqd eq 'yes') {
                    952:               if (!($enrollvar{'photopermission'} eq 'yes')) {
                    953:                   $can_enable = 0;
                    954:               } else {
1.48      albertel  955:                   if (&user_is_courseowner($enrollvar{'courseowner'})) {
1.34      raeburn   956:                       $r->print('
                    957:                     <tr>
                    958:                      <td>'.
1.57      bisitz    959: &mt('Previously the owner of this course agreed to the conditions of use of digital student photos required by [_1].', $institution).'<br />'.&mt('As a result [_1]s can choose to automatically import student photos into this course.',&Apache::lonnet::plaintext('cc')).'<br /><span class="LC_nobreak"><label>'.&mt('[_1] owner acceptance of these conditions of use?','<b>Cancel</b>').'&nbsp;<input type="checkbox" name="cancel_agreement" value="1" /></label></span>
1.1       raeburn   960:                      </td>
                    961:                     </tr>
1.34      raeburn   962:                       ');
                    963:                   }
                    964:               }
                    965:           }
                    966:       } else {
                    967:           $r->print('
                    968:                     <tr>
                    969:                      <td>'.
1.39      albertel  970: &mt('There was a problem determining whether course owner permission is required in order for a course coordinator to have access to student photos in this domain.').' '.&mt('As a result you will not be able to configure access to student photos at this time').'<br /><br /><input type="button" name="mainmenu" value="Go back" onclick="javascript:history.go(-1);" />
1.34      raeburn   971:                     </td>
                    972:                    </tr>
                    973:                   </form>
                    974:           ');
                    975:           return;
                    976:       }
                    977:       if ($can_enable) {
                    978:           $r->print('
1.1       raeburn   979:                     <tr>
                    980:                      <td>
1.34      raeburn   981:                       <font color="#888888">'.
1.50      albertel  982: &mt('Note: if you enable automatic import of student photos, your course will automatically have access to photos saved by your institution for officially registered students, via a conduit established by your LON-CAPA domain coordinator.').'  
1.1       raeburn   983:                       </font>
                    984:                      </td>
                    985:                     </tr>
1.34      raeburn   986: ');
                    987:       } else {
1.48      albertel  988:           if (&user_is_courseowner($enrollvar{'courseowner'})) {
1.34      raeburn   989:               $r->print('
                    990:                     <tr>
                    991:                      <td>'.
                    992: &mt('[_1] requires a course owner to indicate acceptance of conditions of use of digital student photos before enabling automatic import into a course. If you choose to enable import of photos you will be prompted for your agreement on the next page.',$institution).'
                    993:                      </td>
                    994:                     </tr>
                    995:                ');
                    996:           } else {
                    997:               my ($ownername,$owneremail) = &get_ownerinfo($dom,
                    998:                                                     $enrollvar{'courseowner'});
1.38      raeburn   999:               my $emailstr;
                   1000:               if ($owneremail) {
                   1001:                   $emailstr = "(e-mail: $owneremail)";
                   1002:               }
1.34      raeburn  1003:               $r->print('
                   1004:                     <tr>
1.56      bisitz   1005:                      <td>'
                   1006:                       .&mt('The policies of your institution ([_1]) require that the course owner ([_2]) must indicate acceptance of the conditions of use of digital photos of registered students, before they may be made available for use in a course.',$institution,$ownername)
                   1007:                       .'<br /><br />'
                   1008:                       .&mt('Please direct the course owner [_1] to visit the "Student photos" page in the Automated Enrollment Manager to indicate acceptance of these conditions of use.',$emailstr)
                   1009:                       .'<br /><br /><input type="button" name="mainmenu" value="Go back" onclick="javascript:history.go(-1);" />
1.34      raeburn  1010:                     </td>
                   1011:                    </tr>
                   1012:                   </form>
                   1013:              ');
                   1014:              return;
                   1015:           }
                   1016:       }
                   1017:       $r->print('
1.1       raeburn  1018:                     <tr>
                   1019:                      </td>&nbsp;</td>
                   1020:                     </tr>
                   1021:                     <tr>
1.34      raeburn  1022:                      <td align="right">
1.39      albertel 1023:                       <input type="button" name="showphotos" value="Go" onclick="process('."'photos'".')" />
1.1       raeburn  1024:                      </td>
                   1025:                     </tr>
                   1026:                    </table>
1.39      albertel 1027:                    <input type="hidden" name="action" value="'.$action.'" />
                   1028:                    <input type="hidden" name="state" value="process" />
1.1       raeburn  1029:                    </form>
1.34      raeburn  1030:       ');
1.1       raeburn  1031:   } elsif ($action eq "updatenow") {
                   1032:       $r->print("
                   1033:                    <form name=\"enter\" method=\"post\"><br/>
                   1034: 		   <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                   1035: 		    <tr>
                   1036: 		     <td align=\"left\"><b>$$tasktitleref{$action}</b>
                   1037: 		     </td>
                   1038:                     </tr>
                   1039: 		   </table>
                   1040: 		   <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                   1041: 		    <tr>
                   1042: 		     <td>
1.17      raeburn  1043: 	              Add any students currently included in institutional classlist(s) but not enrolled in your LON-CAPA course.<br />  
1.39      albertel 1044: 		      <label><input type=\"radio\" name=\"updateadds\" value=\"1\" />&nbsp;Yes&nbsp;</label>
                   1045:                       <label><input type=\"radio\" name=\"updateadds\" value=\"0\" />&nbsp;No&nbsp;</label>
1.1       raeburn  1046:                      </td>
                   1047:                     </tr>
                   1048:                     <tr>
                   1049:                      <td>
1.17      raeburn  1050:  	              Expire students previously added by nightly enrollment process, but no longer listed in institutional  classlist(s).<br />                  
1.39      albertel 1051:                       <label><input type=\"radio\" name=\"updatedrops\" value=\"1\" />&nbsp;Yes&nbsp;</label>
                   1052:                       <label><input type=\"radio\" name=\"updatedrops\" value=\"0\" />&nbsp;No&nbsp;</label><br />
1.14      raeburn  1053:                      </td>
                   1054:                     </tr>
                   1055:                     <tr>
                   1056:                      <td><font color=\"#888888\">
1.1       raeburn  1057: Note: Any students previously added manually by course coordinator(s) using either 'Upload classlist CSV file' or 'Enroll a single user' will be unaffected by the removal process.
1.14      raeburn  1058:                       </font>
                   1059:                      </td>
                   1060:                     </tr>
                   1061:                     <tr>
                   1062:                      <td>
                   1063:       ");
                   1064:       &print_accessdate_table($r,\%enrollvar,$tasktitleref,$action);
                   1065:       $r->print("
                   1066:                      </td>
                   1067:                     </tr>
                   1068:                     <tr>
                   1069:                      <td align=\"right\">
1.39      albertel 1070:                       <input type=\"button\" name=\"updatenow\" value=\"Go\" onclick=\"process('updatenow')\" />
1.14      raeburn  1071:                      </td>
                   1072:                     </tr>
                   1073: 	           </table>
                   1074:                    <input type=\"hidden\" name=\"action\" value=\"$action\" />
                   1075:                    <input type=\"hidden\" name=\"state\" value=\"process\" />
                   1076:                   </form>
                   1077:       ");
1.34      raeburn  1078:   } elsif ($action eq 'updatephotos') {
                   1079:       $r->print("
                   1080:                    <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                   1081:                     <tr>
                   1082:                      <td align=\"left\"><b>$$tasktitleref{$action}</b>
                   1083:                      </td>
                   1084:                     </tr><tr><td>");
1.37      raeburn  1085:       if ($enrollvar{'showphoto'}) {
1.35      albertel 1086:           my ($update,$commentary) = &Apache::lonnet::auto_photochoice($crs,
                   1087: 								       $dom);
1.40      raeburn  1088:           if ($update) { 
                   1089:               $r->print('<br />'.$commentary.'<br /><br />
1.34      raeburn  1090: <form name="photoupdate" method="post">
                   1091: <input type ="button" name="retrieve" value="'.&mt('Update photo repository').'"
                   1092: onclick="javascript:document.photoupdate.submit()" />
                   1093: <input type ="hidden" name="action" value="'.$action.'" />
                   1094: <input type ="hidden" name="state" value="process" />
                   1095: </form>');
1.40      raeburn  1096:           } else {
1.56      bisitz   1097:               $r->print(&mt('Update of photos via the Automated Enrollment Manager is unavailable in this domain.')
1.61    ! bisitz   1098:                        .'<br /><br /><input type="button" name="mainmenu" value="'.&mt('Go back').'" onclick="javascript:history.go(-1);" />');
1.40      raeburn  1099:           }
1.34      raeburn  1100:       } else {
                   1101:           $r->print('Update of photos is unavailable, as import of student photos is currently disabled.<br />Enable this first via: <a href="/adm/populate?action=photos">'.$$tasktitleref{'photos'}.'</a>');
                   1102:       }
                   1103:       $r->print('</td></tr>
                   1104:                  <tr><td>&nbsp;</td></tr>
                   1105:                 </table>');
1.14      raeburn  1106:   } elsif ($action eq 'viewclass') {
                   1107:       $r->print("
                   1108:                    <form name=\"studentform\" method=\"post\"><br/>
                   1109:                    <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                   1110:                     <tr>
                   1111:                      <td align=\"left\"><b>$$tasktitleref{$action}</b>
                   1112:                      </td>
                   1113:                     </tr>
1.16      raeburn  1114:                     <tr>
                   1115:                      <td>Section changes, name changes, and class drops that can be set to occur either automatically or when using the <b>'Update roster now'</b> feature, will affect only those students with an enroll type of <b>'auto'</b>. Students with an enroll type of <b>'manual'</b>, will be converted automatically to the 'auto' type, when they first appear in the institutional classlist for the course - as long as nightly adds are enabled and active, or the update roster utility is used.  Use the 'Lock' checkbox for any manually enrolled students for whom you wish to prevent type conversion. Use the 'Change' checkbox to switch the enroll type from auto to manual, and vice versa. Use the 'Unlock' checkbox for any maually enrolled students for whom you no longer wish to lock the enroll type.  Click the 'Go' button at the end of the page to process your desired changes.</td>
                   1116:                     </tr>
                   1117:                     <tr><td>&nbsp;</td></tr> 
1.14      raeburn  1118:                    </table>
                   1119:                    <table>
                   1120:                     <tr>
                   1121:                      <td>
1.1       raeburn  1122:       ");
1.23      albertel 1123:       if (! exists($env{'form.sortby'})) {
                   1124:           $env{'form.sortby'} = 'username';
1.14      raeburn  1125:       }
1.46      albertel 1126:       if ($env{'form.Status'} !~ /^(Any|Expired|Active|Future)$/) {
1.23      albertel 1127:           $env{'form.Status'} = 'Active';
1.14      raeburn  1128:       }
1.23      albertel 1129:       my $status_select = &Apache::lonhtmlcommon::StatusOptions($env{'form.Status'});
1.14      raeburn  1130: #  Get current classlist
1.51      raeburn  1131:       my %userlist;
                   1132:       my ($indexhash,$keylist) = &Apache::lonuserutils::make_keylist_array();
                   1133:       my $classlist = &Apache::loncoursedata::get_classlist();
                   1134:       my $secidx = &Apache::loncoursedata::CL_SECTION();
                   1135:       my ($permission,$allowed) = &Apache::lonuserutils::get_permission();
                   1136:       foreach my $student (keys(%{$classlist})) {
                   1137:           if (exists($permission->{'view_section'})) {
                   1138:               if ($classlist->{$student}[$secidx] ne $permission->{'view_section'}) {
                   1139:                   next;
                   1140:               } else {
                   1141:                   $userlist{$student} = $classlist->{$student};
                   1142:               }
                   1143:           } else {
                   1144:               $userlist{$student} = $classlist->{$student};
                   1145:           }
                   1146:       }
                   1147: 
1.14      raeburn  1148:       if (! defined($classlist)) {
1.51      raeburn  1149:           $r->print(&mt('There are no students either currently or previously enrolled.')."
                   1150:                       </td>
                   1151:                      </tr>\n");
1.14      raeburn  1152:       } else {
                   1153:           $r->print(&mt('Student Status: [_1]',$status_select)."\n");
                   1154:           $r->print('<input type="submit" value="'.&mt('Update Display').'" />'.
                   1155:               "\n</p>\n");
1.51      raeburn  1156:           my $context = 'course';
                   1157:           my $mode = 'autoenroll';
                   1158:           my ($studentcount,$autocount,$manualcount,$lockcount,$unlockcount) = &Apache::lonuserutils::show_users_list($r,$context,$mode,$permission,$env{'form.Status'},\%userlist,$keylist);
1.14      raeburn  1159:           $r->print("
                   1160:                      </td>
                   1161:                     </tr>
                   1162:           ");
                   1163:           if ($studentcount > 0) {
                   1164:               $r->print("
1.16      raeburn  1165:                     <tr><td><table border=\"0\" cellpadding=\"5\"><tr>
                   1166:               ");
                   1167:               my $cellcount = 0;
                   1168:               if ($autocount > 0) {
                   1169:                   $cellcount ++;
                   1170:                   $r->print(<<END);
                   1171:                        <td><fieldset><legend>&nbsp;<b>Change auto</b></legend><input type="button" value="check all" onclick="javascript:checkAll(document.studentform.chgauto)" />&nbsp;&nbsp;
                   1172:                        <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.chgauto)" /></fieldset></td>
                   1173: END
                   1174:               }
                   1175:               if ($manualcount > 0) {
                   1176:                   $cellcount ++;
                   1177:                   $r->print(<<END);
                   1178:                        <td><fieldset><legend>&nbsp;<b>Change manual</b></legend><input type="button" value="check all" onclick="javascript:checkAll(document.studentform.chgmanual)" />&nbsp;&nbsp;
                   1179:                        <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.chgmanual)" /></fieldset></td>
                   1180: END
                   1181:               }
                   1182:               if ($lockcount > 0) {
                   1183:                   if ($cellcount == 2) {
                   1184:                       $r->print("</tr><tr>");
                   1185:                   }
                   1186:                   $cellcount ++;
                   1187:                   $r->print(<<END);
                   1188:                        <td><fieldset><legend>&nbsp;<b>Lock manual</b></legend><input type="button" value="check all" onclick="javascript:checkAll(document.studentform.lockchg)" />&nbsp;&nbsp;
                   1189:                        <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.lockchg)" /></fieldset></td>
                   1190: END
                   1191:               }
                   1192:               if ($unlockcount > 0) {
                   1193:                   if ($cellcount == 2) {
                   1194:                       $r->print("</tr><tr>");
                   1195:                   }
                   1196:                   $cellcount ++;
                   1197:                   $r->print(<<END);
                   1198:                        <td><fieldset><legend>&nbsp;<b>Unlock manual</b></legend><input type="button" value="check all" onclick="javascript:checkAll(document.studentform.unlockchg)" />&nbsp;&nbsp;
                   1199:                        <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.unlockchg)" /></fieldset></td>
                   1200: END
                   1201:               }
                   1202:               $r->print("
                   1203:                        </tr>
                   1204:                       </table>
1.14      raeburn  1205:                      <td>&nbsp;</td>
                   1206:                     </tr>
                   1207:                     <tr>
                   1208:                      <td align=\"right\">
1.39      albertel 1209:                       <input type=\"button\" name=\"viewclass\" value=\"Go\" onclick=\"process('viewclass','$autocount','$manualcount','$lockcount','$unlockcount')\" />
1.14      raeburn  1210:                      </td>
                   1211:                     </tr>
                   1212:               ");
1.51      raeburn  1213:           } else {
                   1214:               $r->print('
                   1215:                     <tr>
                   1216:                      <td><br />
                   1217:                       '.&mt('There are no students with the selected status.').'
                   1218:                      </td>
                   1219:                     </tr>
                   1220:               ');
1.14      raeburn  1221:           }
                   1222:           $r->print("
                   1223:                    </table>
                   1224:                    <input type=\"hidden\" name=\"action\" value=\"$action\" />
                   1225:                    <input type=\"hidden\" name=\"state\" value=\"choose\" />
                   1226:                   </form>
                   1227:           ");
                   1228:       }
1.1       raeburn  1229:   }
                   1230: }
                   1231: 
1.44      raeburn  1232: sub notifier_tables {
                   1233:     my ($role,$lt,$users,$status,$notifystate,$pname,$notifyshow) = @_;
                   1234:     my $output = &Apache::loncommon::start_data_table();
                   1235:     $output .= &Apache::loncommon::start_data_table_header_row();
                   1236:     $output .= "<th>$$lt{name}</th>
                   1237:                 <th>$$lt{usnm}</th>";
                   1238:     if ($role eq 'cc') {
                   1239:         $output .= "<th>$$lt{coac}</th>";
                   1240:     } 
                   1241:     $output .=  "<th>$$lt{curn}</th>
                   1242:                  <th>$$lt{notf}</th>";
                   1243:     $output .= &Apache::loncommon::end_data_table_header_row();
                   1244:     for (my $i=0; $i<@{$users}; $i++) {
                   1245:         $output .= &Apache::loncommon::start_data_table_row();
                   1246:         $output .= '<td>'.$$pname{$$users[$i]}.'</td>'.
                   1247:                    '<td><input type="hidden" name="notifyname_'.$$notifyshow.
                   1248:                    '" value="'.$$users[$i].'" />'.$$users[$i].'</td>';
                   1249:         if ($role eq 'cc') {
                   1250:             $output .= '<td>'.$$status{$$users[$i]}.'</td>';
                   1251:         }
                   1252:         $output .= '<td>';
                   1253:         if ($$notifystate{$$users[$i]} == 1) {
                   1254:             $output .= $$lt{ntac};
                   1255:         } else {
                   1256:             $output .= $$lt{ntin};
                   1257:         }
                   1258:         $output .= '</td><td><input type="checkbox" name="note_'.$$notifyshow.'"'; 
                   1259:         if ($$notifystate{$$users[$i]} == 1) {
                   1260:             $output .= ' checked="checked"';
                   1261:         }
                   1262:         $output .= ' /></td>';
                   1263:         $output .= &Apache::loncommon::end_data_table_row();
                   1264:         $$notifyshow ++;
                   1265:     }
                   1266:     $output .= &Apache::loncommon::end_data_table();
                   1267:     return $output;
                   1268: }
                   1269: 
1.14      raeburn  1270: sub print_accessdate_table {
                   1271:     my ($r,$enrollvar,$tasktitleref,$action) = @_;
                   1272:     my ($start_table,$end_table) = &date_setting_table($$enrollvar{'default_enrollment_start_date'},$$enrollvar{'default_enrollment_end_date'},$action);
                   1273:     my $oldstartshow = '';
                   1274:     my $oldendshow = '';
                   1275:     if ( defined($$enrollvar{'default_enrollment_start_date'}) ) {
                   1276:         $oldstartshow = &Apache::lonlocal::locallocaltime($$enrollvar{'default_enrollment_start_date'});
                   1277:     }
                   1278:     if ( defined($$enrollvar{'default_enrollment_end_date'}) ) {
                   1279:         $oldendshow = &Apache::lonlocal::locallocaltime($$enrollvar{default_enrollment_end_date});
                   1280:         if ($$enrollvar{'default_enrollment_end_date'} eq '0') {
                   1281:             $oldendshow = "No ending date";
                   1282:         }
                   1283:     }
                   1284:     my %lt =&Apache::lonlocal::texthash(
                   1285:          'cuno' => 'Currently NO default first access or last access dates are set.',
                   1286:          'ifyo' => 'If you do not set a start date and an end date, then student roles for students added by the automated enrollment process will start immediately when the student is added and will never become inactive.',
                   1287:          'ifyd' => 'If you do not set an access start date and an end date, then student roles for new students added when you click "Go" will become active immediately and will never become inactive.',
                   1288:          'setf' => 'Set date of first access',
                   1289:          'setl' => 'Set date of last access',
                   1290:          'freg' => 'for registered students added via automated enrollment',
                   1291:          'fnew' => 'for new students added when you update the class roster',
1.16      raeburn  1292:          'ifad'  => 'If automated adds are enabled, then when students are added their student roles will become active on the date set here for first access, and their roles will become inactive on the date set here for last access.  These default access dates will be overridden for specific students if the institutional classlist data supplied to the automatic enrollment process includes entries for the startdate and enddate fields for those students.',
1.52      raeburn  1293:          'ncds'  => 'changing default start and end access dates will affect <b>future enrollments</b> and also <b>currently inactive</b> students (i.e., those for whom access will begin in the future).',
                   1294:          'tcha' => 'To change access dates for <b>currently active</b> students, use User Management -> "Display Class Lists and Manage Multiple Users" to display currently active students, then use the dropdown menu for "Action to take for selected users:" to choose "Change starting/ending dates", select the students to change, and click "Proceed".',
1.14      raeburn  1295:     );
                   1296:     my $dateshow;
                   1297:     if ( ($oldendshow eq '') && ($oldstartshow eq '') ) {
                   1298:        $dateshow = "<br/><font size='+1'>".&mt('Warning')."</font>.&nbsp;".$lt{'cuno'}." ";
                   1299:        if ($action eq 'setaccess') {
                   1300:            $dateshow .= $lt{'ifyo'}."\n";
                   1301:        } elsif ($action eq 'updatenow') {
                   1302:            $dateshow .= $lt{'ifyd'}."\n";
                   1303:        }
                   1304:     } else {
                   1305:         $dateshow = &mt('Currently: default first access').": <b><i>$oldstartshow</i></b>, ".&mt('default last access').": <b><i>$oldendshow</i></b>\n";
                   1306:     }
                   1307:     if ($action eq 'setaccess') {
                   1308:         $r->print(<<ENDONE);
                   1309:                 <form name="enter" method="post"><br/>
                   1310:                 <table width="100%" border="0" cellpadding="2" cellspacing="2">
                   1311:                  <tr>
                   1312:                   <td align="left"><b>$$tasktitleref{$action}</b>
                   1313:                   <br /><br />
                   1314:                    $dateshow
                   1315:                   </td>
                   1316:                  </tr>
                   1317:                 </table>
                   1318: ENDONE
                   1319:     } elsif ($action eq 'updatenow') {
                   1320:         $r->print("
                   1321:                 <br /><br />$dateshow\n");
                   1322:     }
                   1323:     $r->print(<<ENDTWO);
                   1324:                 <table width="100%" border="0" cellpadding="3" cellspacing="3">
                   1325:                  <tr>
                   1326:                   <td align="left" colspan="2">
                   1327:                    <table border="0" cellspacing="0" cellpadding="2">
                   1328:                     <tr>
                   1329:                      <td colspan="3">
                   1330: ENDTWO
                   1331:       if ($action eq 'setaccess') {
                   1332:           $r->print("<i>$lt{'setf'} $lt{'freg'}</i>");
                   1333:       } elsif ($action eq 'updatenow') {
                   1334:           $r->print("<i>$lt{'setf'} $lt{'fnew'}</i>");
                   1335:       }
                   1336:       $r->print(<<ENDTHREE); 
                   1337:                        </td>
                   1338:                       </tr>
                   1339:                       <tr>
                   1340:                        <td>$start_table
                   1341:                        </td>
                   1342:                       </tr>
                   1343:                      </table>
                   1344:                     </td>
                   1345:                    </tr>
                   1346:                    <tr>
                   1347:                     <td align="left" colspan="2">
1.15      albertel 1348:                      <table border="0" cellspacing="0" cellpadding="2">
1.14      raeburn  1349:                       <tr>
                   1350:                        <td colspan="3">
                   1351: ENDTHREE
                   1352:     if ($action eq 'setaccess') {
                   1353:         $r->print("<i>$lt{'setl'} $lt{'freg'}</i>");
                   1354:     } elsif ($action eq 'updatenow') {
                   1355:         $r->print("<i>$lt{'setl'} $lt{'fnew'}</i>");
                   1356:     }
                   1357:     $r->print(<<ENDFOUR); 
                   1358:                        </td>
                   1359:                       </tr>
                   1360:                       <tr>
                   1361:                        <td>$end_table
                   1362:                        </td>
                   1363:                       </tr>
                   1364:                      </table>
                   1365:                     </td>
                   1366:                    </tr>
                   1367: ENDFOUR
                   1368:     if ($action eq 'setaccess') {
                   1369:         $r->print("
                   1370:                    <tr>
                   1371:                     <td colspan=\"2\"><font color=\"#888888\">$lt{'ifad'}</font></td>
                   1372:                    </tr>
1.16      raeburn  1373:                    <tr>
                   1374:                     <td colspan=\"2\">&nbsp;</td>
                   1375:                    </tr>
                   1376:                    <tr>
1.52      raeburn  1377:                     <td colspan=\"2\"><b>".&mt('Note').":</b> ".$lt{'ncds'}.' '.$lt{'tcha'}."</td>
1.16      raeburn  1378:                    </tr>
1.14      raeburn  1379:                   </table>
                   1380:         ");
                   1381:     } elsif ($action eq 'updatenow') {
                   1382:         $r->print("
                   1383:                    </tr>
                   1384:                   </table>
                   1385:         ");
                   1386:     }
                   1387: }
                   1388: 
1.1       raeburn  1389: ###############################################################
                   1390: sub print_doc_base {
1.41      albertel 1391:     my ($r) = @_;
1.15      albertel 1392:     $r->print(<<ENDBASE);
1.1       raeburn  1393:   </td>
                   1394:  </tr>
                   1395: </table>
1.41      albertel 1396: <br />
1.1       raeburn  1397: ENDBASE
1.41      albertel 1398:     $r->print(&Apache::loncommon::end_page());
1.1       raeburn  1399: }
                   1400:  
                   1401: ###################################################################
                   1402: sub print_chgsettings_response {
1.15      albertel 1403:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1404:     my %settings = &Apache::lonnet::get('environment',['internal.sectionnums','internal.crosslistings','internal.autostart','internal.autoend','internal.autoadds','internal.autodrops'],$dom,$crs);
                   1405:     my $currend = '';
                   1406:     my $currstart = '';
                   1407:     my $currsecs = '';
                   1408:     my $currxlists = '';
                   1409:     my $curradds = '';
                   1410:     my $currdrops = '';
                   1411:     if ( defined($settings{'internal.autoadds'}) ) {
                   1412: 	$curradds = $settings{'internal.autoadds'};
                   1413:     }
                   1414:     if ( defined($settings{'internal.autodrops'}) ) {
                   1415: 	$currdrops = $settings{'internal.autodrops'};
                   1416:     }
                   1417:     if ( defined($settings{'internal.autostart'}) ) {
                   1418: 	$currstart = $settings{'internal.autostart'};
                   1419:     }
                   1420:     if ( defined($settings{'internal.autoend'}) ) {
                   1421: 	$currend = $settings{'internal.autoend'};
                   1422:     }
                   1423:     if ( defined($settings{'internal.sectionnums'}) ) {
                   1424: 	$currsecs = $settings{'internal.sectionnums'};
                   1425:     }
                   1426:     if ( defined($settings{'internal.crosslistings'}) ) {
                   1427: 	$currxlists = $settings{'internal.crosslistings'}
                   1428:     }
                   1429:     my $autoadds = '';
                   1430:     my $autodrops = '';
1.1       raeburn  1431: 
1.23      albertel 1432:     if ( exists($env{'form.autoadds'}) ) {
                   1433: 	$autoadds=$env{'form.autoadds'};
1.15      albertel 1434:     }
1.23      albertel 1435:     if ( exists($env{'form.autodrops'}) ) {
                   1436: 	$autodrops=$env{'form.autodrops'};
1.15      albertel 1437:     }
                   1438: 
                   1439:     my $response = "";
                   1440:     my $warning = "";
                   1441:     my $warn_prefix = "";
                   1442:     my $warn_suffix = "";
                   1443:     my $warnfiller = "";
                   1444:     my %cenv = ('internal.autoadds' => $autoadds,
                   1445: 		'internal.autodrops' => $autodrops);
                   1446:     my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1447:     if ($reply !~ /^ok$/) {
                   1448: 	$response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
                   1449:     } else {
                   1450: 	if ($autoadds) {
                   1451: 	    if ($curradds) {
                   1452: 		$response = "Nightly additions based on classlist changes still <b>enabled</b><br/>";
                   1453: 	    } else {
                   1454: 		$response = "Nightly additions based on classlist changes now <b>enabled</b><br/>";
                   1455: 	    }
                   1456: 	} else {
                   1457: 	    if ($curradds) {
                   1458: 		$response = "Nightly additions based on classlist changes now <b>disabled</b><br/>";
                   1459: 	    } else {
                   1460: 		$response = "Nightly additions based on classlist changes still <b>disabled</b><br/>";
                   1461: 	    }
                   1462: 	}
                   1463: 	if ($autodrops) {
                   1464: 	    if ($currdrops) {
1.39      albertel 1465: 		$response .= "Nightly removals based on classlist changes still <b>enabled</b><br />";
1.15      albertel 1466: 	    } else {
                   1467: 		$response .= "Nightly removals based on classlist changes now <b>enabled</b><br/>";
                   1468: 	    }
                   1469: 	} else {
                   1470: 	    if ($currdrops) {
1.39      albertel 1471: 		$response .= "Nightly removals based on classlist changes now <b>disabled</b><br />";
1.15      albertel 1472: 	    } else {
                   1473: 		$response .= "Nightly removals based on classlist changes still <b>disabled</b>";
                   1474: 	    }
                   1475: 	}
                   1476: 	if ($autoadds || $autodrops) {
                   1477: 	    $warning = &warning_message($dom,$crs,$action);
                   1478: 	    $warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you indicated that nightly ";
                   1479: 	    $warn_suffix = " should be enabled, additional action is required.<br/>";
                   1480: 	}
                   1481: 	if ($autoadds) {
                   1482: 	    if ($autodrops) {
                   1483: 		$warnfiller = "adds and drops";
                   1484: 	    } else {
                   1485: 		$warnfiller = "adds";
                   1486: 	    }
                   1487: 	} else {
                   1488: 	    if ($autodrops) {
                   1489: 		$warnfiller = "drops";
                   1490: 	    }
                   1491: 	}
                   1492: 	unless ($warning eq '') {
                   1493: 	    $response = $warn_prefix.$warnfiller.$warn_suffix.$warning;
                   1494: 	}
                   1495:     }
                   1496:     &print_reply($r,$response,$$tasktitleref{$action});
                   1497:     return;
1.1       raeburn  1498: }
                   1499: 
                   1500: sub print_setdates_response {
1.15      albertel 1501:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1502:     my %settings = &Apache::lonnet::get('environment',['internal.autostart','internal.autoend'],$dom,$crs);
                   1503:     my $currstart = $settings{'internal.autostart'};
                   1504:     my $currend = $settings{'internal.autoend'};
                   1505:     my $response = '';
1.19      raeburn  1506:     my $showstart = '';
1.15      albertel 1507:     my $showend = '';
                   1508:     my $warning = '';
                   1509:     my $warn_prefix = '';
1.19      raeburn  1510:     my ($autostart,$autoend) = &get_dates_from_form();
                   1511:     if ( ($autostart eq '') || ($autoend eq '') ) {
                   1512:         $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
                   1513:     } elsif (($autoend > 0) && ($autoend <= $autostart)) {
                   1514:         $response = 'The date/time selected for starting auto-enrollment was the same or later than the date/time selected for ending auto-enrollment. As this means auto-enrollment will never be active, your requested changes have not been processed, and the existing values remain in effect. Please <a href="javascript:history.go(-1)">go back</a> to the previous page to try your changes again.'."\n";
                   1515:     } else {       
                   1516:         $showstart = &Apache::lonlocal::locallocaltime($autostart);
                   1517:         if ($autoend) {
                   1518: 	    $showend = &Apache::lonlocal::locallocaltime($autoend);
                   1519:         } else {
                   1520: 	    $showend = "'No end date'";
                   1521:         } 
1.15      albertel 1522: 
1.19      raeburn  1523:         my %cenv = ('internal.autostart' => $autostart,
                   1524:   		    'internal.autoend' => $autoend);
                   1525:         my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1526:         if ($reply !~ /^ok$/) {
                   1527: 	    $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
                   1528:         } else {
                   1529: 	    if ($currstart == $autostart) {
                   1530: 	        $response = "The first date for automated enrollment has been left unchanged as $showstart.<br/>";
                   1531: 	    } else {
                   1532: 	        $response = "The first date for automated enrollment has been changed to $showstart.<br/>";
                   1533: 	    } 
                   1534: 	    if ($currend == $autoend) {
                   1535: 	        $response .= "The last date for automated enrollment has been left unchanged as $showend.<br/>";
                   1536: 	    } else {
                   1537: 	        $response .= "The last date for automated enrollment has been changed to $showend.<br/>";
                   1538: 	    }
1.1       raeburn  1539:  
1.14      raeburn  1540: # Generate message in case where old first enrollment date was later than today, but new first enrollment date is now today or earlier.
1.1       raeburn  1541: 
1.19      raeburn  1542: 	    my $rosterupdated = 0;
                   1543: 	    my $firstaccess = "";
                   1544: 	    my $nextupdate = "";
                   1545: 	    my $lastupdate = "";
                   1546: 
                   1547: 	    my $nowstamp = time;
                   1548: 	    my @date_list=localtime(time);
                   1549: 	    my $cur_year = $date_list[5];
                   1550: 	    my $curday = $date_list[3];
                   1551: 	    my $curmonth = $date_list[4];
                   1552: 	    my $lastmidnt = timelocal(0,0,0,$date_list[3],$date_list[4],$date_list[5]);
                   1553: 	    my $nextmidnt = 86400 + $lastmidnt;
                   1554: 
                   1555: 	    my $todayupdate = timelocal(0,30,1,$date_list[3],$date_list[4],$date_list[5]);
                   1556: 	    my $lastupdate = $todayupdate - 86400;
                   1557: 	    if ($nowstamp < $todayupdate) {
                   1558: 	      $nextupdate = "today";
1.15      albertel 1559: 	    } else {
1.19      raeburn  1560: 	      $nextupdate = "tomorrow";
1.15      albertel 1561: 	    }
1.19      raeburn  1562: 	    if ($currstart < $lastupdate) {
                   1563: 	        $rosterupdated = 1;
1.15      albertel 1564: 	    }
1.19      raeburn  1565: 	    if ($autostart < $nextmidnt ) {
                   1566: 	        if ( $autostart >= $lastmidnt) {
                   1567: 		    $firstaccess = "today";
                   1568: 	        } else {
                   1569: 	  	    $firstaccess = "a date prior to today";
                   1570: 	        }
                   1571: 	        if (($nowstamp >= $autostart) && ($rosterupdated == 0)) {
1.39      albertel 1572: 		    $response .= qq|<br />Although you have now set the first enrollment date to $firstaccess, automatic enrollment will <b>not</b> occur until the next automatic enrollment update occurs for all LON-CAPA courses at 1.30 am $nextupdate. If you wish to immediately enroll registered students included in the institutional classlist for this class, please visit the <a href="/adm/populate?action=updatenow">roster update page</a>.<br />|;
1.19      raeburn  1573: 	        }
                   1574: 	    }
                   1575: 	    $warning = &warning_message($dom,$crs,$action);
                   1576: 	    $warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you set a start and end date for auto-enrollment, additional action is required.<br/>";
                   1577: 	    unless ($warning eq '') {
                   1578: 	        $response .= $warn_prefix.$warning;
                   1579: 	    }
                   1580:         }
1.15      albertel 1581:     }
                   1582:     &print_reply($r,$response,$$tasktitleref{$action});
                   1583:     return;
1.1       raeburn  1584: }
                   1585: 
1.14      raeburn  1586: sub print_setaccess_response {
1.15      albertel 1587:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1588:     my %settings = &Apache::lonnet::get('environment',['default_enrollment_start_date','default_enrollment_end_date','internal.autostart'],$dom,$crs);
                   1589:     my $currstart = $settings{'default_enrollment_start_date'};
                   1590:     my $currend = $settings{'default_enrollment_end_date'};
                   1591:     my $autostart = $settings{'internal.autostart'};
                   1592:     my $response = '';
                   1593:     my ($startaccess,$endaccess) = &get_dates_from_form();
1.19      raeburn  1594:     if (($startaccess eq '') || ($endaccess eq '')) {
                   1595:         $response = "There was a problem processing your requested changes. The default
                   1596: start and end access dates for this course have been left unchanged.<br/>";
                   1597:     } elsif (($endaccess > 0) && ($endaccess <= $startaccess)) {
                   1598:         $response = 'The default start access date/time you chose was the same or later than the default end access date/time. As this means that roles will never be active, your requested changes have not been processed, and the existing values remain in effect. Please <a href="javascript:history.go(-1)">go back</a> to the previous page to try your changes again.'."\n"; 
1.15      albertel 1599:     } else {
1.19      raeburn  1600:         my $showstart = &Apache::lonlocal::locallocaltime($startaccess);
                   1601:         my $showend = '';
                   1602:         my $warning = '';
                   1603:         my $warn_prefix = '';
                   1604:         if ($endaccess) {
                   1605: 	    $showend = &Apache::lonlocal::locallocaltime($endaccess);
                   1606:         } else {
                   1607: 	    $showend = "'No end date'";
                   1608:         }
1.15      albertel 1609: 
1.19      raeburn  1610:         my %cenv = ('default_enrollment_start_date' => $startaccess,
1.15      albertel 1611: 		'default_enrollment_end_date' => $endaccess);
1.19      raeburn  1612:         my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1613:         if ($reply !~ /^ok$/) {
                   1614: 	    $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
                   1615:         } else {
                   1616: 	    if ($currstart == $startaccess) {
1.52      raeburn  1617: 	        $response = "The first access date for students being added via automated enrollment has been left unchanged as $showstart.<br/>";
1.19      raeburn  1618: 	    } else {
1.52      raeburn  1619: 	        $response = "The first access date for students being added via automated enrollment has been changed to $showstart.<br/>";
1.19      raeburn  1620: 	    }
                   1621: 	    if ($currend == $endaccess) {
1.52      raeburn  1622: 	        $response .= "The last access date for students being added via automated enrollment has been left unchanged as $showend.<br/>";
1.19      raeburn  1623: 	    } else {
1.52      raeburn  1624: 	        $response .= "The last access date for students being added via automated enrollment has been changed to $showend.<br/>";
1.19      raeburn  1625: 	    }
1.52      raeburn  1626:             $response .= '<br />'.&mt('Any change in access dates will only apply to students who are not currently active, i.e., those who currently have access start dates in the future, and to those added by future automated enrollment.').'<br /><br />'.&mt('To change access dates for any currently active students, use User Management -> "Display Class Lists and Manage Multiple Users" to display currently active students, then use the dropdown menu for "Action to take for selected users:" to choose "Change starting/ending dates", select the students to change, and click "Proceed".').'<br />';
1.15      albertel 1627: 	
1.14      raeburn  1628: # Generate message in case where old first access date was later than today, but new first access date is now today or earlier.
1.15      albertel 1629: 	
1.19      raeburn  1630: 	    my $accessgiven= 0;
                   1631: 	    my $firstaccess = "";
                   1632: 	    my $nextupdate = "";
                   1633: 	    my $lastupdate = "";
                   1634: 
                   1635: 	    my $nowstamp = time;
                   1636: 	    my @date_list=localtime(time);
                   1637: 	    my $cur_year = $date_list[5];
                   1638: 	    my $curday = $date_list[3];
                   1639: 	    my $curmonth = $date_list[4];
                   1640: 	    my $lastmidnt = timelocal(0,0,0,$date_list[3],$date_list[4],$date_list[5]);
                   1641: 	    my $nextmidnt = 86400 + $lastmidnt;
                   1642: 
                   1643: 	    my $todayupdate = timelocal(0,30,1,$date_list[3],$date_list[4],$date_list[5]);
                   1644: 	    my $tomorrowupdate = $todayupdate + 86400;
                   1645: 	    my $lastupdate = $todayupdate - 86400;
                   1646: 
                   1647: 	    if ($autostart < $nextmidnt) {
                   1648: 	        if ($nowstamp < $todayupdate) {
                   1649: 		    $nextupdate = "at 1.30 am today";
                   1650: 	        } else {
                   1651: 		    $nextupdate = "at 1.30 am tomorrow";
                   1652: 	        }
1.15      albertel 1653: 	    } else {
1.19      raeburn  1654: 	        my @enrollstart = localtime($autostart);
                   1655: 	        $nextupdate = timelocal(0,30,1,$enrollstart[3],$enrollstart[4],$enrollstart[5]);
                   1656: 	        unless (($enrollstart[2] < 1) || ($enrollstart[2] == 1 && $enrollstart[1] <=30))  {
                   1657: 		    $nextupdate += 86400; 
                   1658: 	        }
                   1659: 	        $nextupdate = &Apache::lonlocal::locallocaltime($nextupdate);
                   1660: 	    }
                   1661: 	    if (($currstart < $lastupdate) && ($autostart < $lastupdate)) {
                   1662: 	        $accessgiven = 1;
                   1663: 	    }
                   1664: 	    if ($startaccess < $nextmidnt ) {
                   1665: 	        if ( $startaccess >= $lastmidnt) {
                   1666: 	    	    $firstaccess = "today";
                   1667: 	        } else {
                   1668: 		    $firstaccess = "a date prior to today";
                   1669: 	        }
                   1670: 	        if (($nowstamp >= $startaccess) && ($accessgiven == 0)) {
1.39      albertel 1671: 		    $response .= qq|<br />Although you have now set the first access date to $firstaccess, automatic enrollment will <b>not</b> occur until the next automatic enrollment update occurs for all LON-CAPA courses $nextupdate. If you wish to grant immediate course access for registered students included in the institutional classlist for this class, please visit the <a href="/adm/populate?action=updatenow">roster update page</a>.<br />|;
1.19      raeburn  1672: 	        }
1.15      albertel 1673: 	    }
1.19      raeburn  1674: 	    $warning = &warning_message($dom,$crs,$action);
                   1675: 	    $warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you have set default first and last access dates for students who are added via automatic enrollment, additional action is required.<br/>";
                   1676: 	    unless ($warning eq '') {
                   1677: 	        $response .= $warn_prefix.$warning;
1.15      albertel 1678: 	    }
1.19      raeburn  1679:         }
1.15      albertel 1680:     }
                   1681:     &print_reply($r,$response,$$tasktitleref{$action});
                   1682:     return;
1.14      raeburn  1683: }
                   1684: 
1.1       raeburn  1685: sub print_notify_response {
1.15      albertel 1686:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
1.1       raeburn  1687: 
                   1688: # Get current settings
1.15      albertel 1689:     my %settings = &Apache::lonnet::get('environment',['internal.notifylist','internal.coursecode'],$dom,$crs);
                   1690:     my $notifylist = $settings{'internal.notifylist'};
                   1691:     my $coursecode = $settings{'internal.coursecode'};
1.28      albertel 1692:     my @currpeople = split(/,/,$notifylist);
1.15      albertel 1693:     my $notify = 0;
                   1694:     my @people = ();
                   1695:     my $peoplestr = "";
                   1696:     my $response = "";
                   1697:     my $noprocess = 0;
1.1       raeburn  1698: 
1.15      albertel 1699:     my $currcount = 0;
                   1700:     foreach  (@currpeople) {
                   1701: 	unless ($_ eq '') { $currcount ++; } 
                   1702:     }
                   1703: 
1.23      albertel 1704:     if ( exists($env{'form.notify'}) ) {
                   1705: 	$notify=$env{'form.notify'};
1.15      albertel 1706:     }
1.23      albertel 1707:     if ( exists($env{'form.notifyshow'}) ) {
                   1708: 	my $notifyshow = $env{'form.notifyshow'};
1.15      albertel 1709: 	for (my $i=0; $i<$notifyshow; $i++) {
1.23      albertel 1710: 	    if ( exists($env{"form.note_$i"}) ) {
                   1711: 		if ( exists($env{"form.notifyname_$i"}) ) {
                   1712: 		    unless ( $env{"form.notifyname_$i"} eq '' ) {
                   1713: 			push @people, $env{"form.notifyname_$i"};
1.15      albertel 1714: 		    }
                   1715: 		}
                   1716: 	    }
                   1717: 	}
                   1718: 	if ($notify) { $peoplestr = join(",",@people); }
                   1719:     } else {
                   1720: 	if ($notify) {
                   1721: 	    if ($currcount) {
                   1722: 		$response = "There was a problem retrieving the updated list of recipients of notification messages. The notification settings for this course have been left unchanged.<br/>.";
                   1723: 		$peoplestr = $notifylist;
                   1724: 		@people = @currpeople;
                   1725: 		$noprocess = 1;
                   1726: 	    }
                   1727: 	}
                   1728:     }
                   1729:     unless ($noprocess == 1) {
                   1730: 	my %cenv = ('internal.notifylist' => $peoplestr);
                   1731: 	my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1732: 	if ($reply !~ /^ok$/) {
                   1733: 	    $response = "There was a problem processing your requested changes. The notification settings for this course have been left unchanged.<br/>";
                   1734: 	} else {
                   1735: 	    if ($notify) {
                   1736: 		if (@people) {
                   1737: 		    if ($currcount) {
                   1738: 			$response .= "Notification of enrollment changes still <b>enabled</b><br/>";
                   1739: 		    } else {
                   1740: 			$response .= "Notification of enrollment changes now <b>enabled</b><br/>";
                   1741: 		    }
                   1742: 		    $response .= "<br/>The following will receive notification if there are any changes in enrollment in LON-CAPA course: $realm ($coursecode) as a result of the nightly enrollment check: <br/><ul>\n";
                   1743: 		    foreach my $person (@people) {
                   1744: 			$response .= "<li>$person</li>\n";
                   1745: 		    }
                   1746: 		    $response .= "</ul>\n";
                   1747: 		} else {
1.44      raeburn  1748: 		    $response = &mt('Notification of enrollment changes was <b> not enabled</b> as no [_1]s were selected as recipients.<br/>',&Apache::lonnet::plaintext('cc'));
1.15      albertel 1749: 		}
                   1750: 	    } else {
                   1751: 		if ($currcount) {
                   1752: 		    $response = "Notification of enrollment changes now <b>disabled</b><br/>";
                   1753: 		} else {
                   1754: 		    $response = "Notification of enrollment changes still <b>disabled</b><br/>";
                   1755: 		}
                   1756: 	    }
                   1757: 	}
                   1758:     }
                   1759:     &print_reply($r,$response,$$tasktitleref{$action});
                   1760:     return;
1.1       raeburn  1761: }
                   1762: 
                   1763: sub print_crosslistings_menu () {
1.15      albertel 1764:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1765:     my %settings = &Apache::lonnet::get('environment',['internal.crosslistings','internal.coursecode'],$dom,$crs);
                   1766:     my @currxlists = ();
                   1767:     my @xlists = ();
                   1768:     my $crosscount = 0;
                   1769:     my $removecount = 0;
                   1770:     my $xliststr = '';
                   1771:     my $response = '';
                   1772:     my $coursecode = $settings{'internal.coursecode'};
1.28      albertel 1773:     if ($settings{'internal.crosslistings'} ne '') {
                   1774: 	@currxlists = split(/,/,$settings{'internal.crosslistings'});
1.15      albertel 1775:     }
                   1776: 
                   1777:     if (@currxlists > 0) {
                   1778: 	for (my $i=0; $i<@currxlists; $i++) {
                   1779: 	    my $xlist = "cross_".$i;
1.42      raeburn  1780: 	    my $lc_sec = "lcsec_".$i;
1.23      albertel 1781: 	    if ( exists($env{"form.$xlist"}) ) {
1.15      albertel 1782: 		my $xlistentry = '';
                   1783: 		if ($currxlists[$i] =~ m/^([^:]+)/) {
                   1784: 		    $xlistentry = $1.':';
                   1785: 		}
1.42      raeburn  1786: 		if ( exists($env{"form.$lc_sec"}) ) {
                   1787: 		    $xlistentry .= $env{"form.$lc_sec"};
1.15      albertel 1788: 		}
                   1789: 		push @xlists,$xlistentry;
                   1790: 		$crosscount ++;
                   1791: 	    } else {
                   1792: 		$removecount ++;
                   1793: 	    }
                   1794: 	}
                   1795:     }
1.1       raeburn  1796: 
1.28      albertel 1797:     $xliststr = join(",",@xlists);
                   1798: 
1.15      albertel 1799:     my %cenv = ('internal.crosslistings' => $xliststr);
                   1800:     my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1801:     if ($reply !~ /^ok$/) {
                   1802: 	$response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
                   1803:     } else {
                   1804: 	if ($removecount > 0) {
                   1805: 	    $response = "A total of $removecount courses are no longer crosslisted with LON-CAPA course: $realm ($coursecode).<br/><br/>";
                   1806: 	}
                   1807: 	if ($crosscount > 0) {
                   1808: 	    $response .=  "The $crosscount courses listed below remain crosslisted with this LON-CAPA course, and students enrolling in these course sections will be automatically added to the class roster for the course, if you have chosen to enable a nightly automated enrollment update.<br/><ul>\n";
                   1809: 	    foreach (@xlists) {
1.42      raeburn  1810: 		my ($xlist,$lc_sec) = split/:/,$_;
                   1811: 		$response .= "<li>$xlist - ID: $lc_sec</li>\n";
1.15      albertel 1812: 	    }
                   1813: 	    $response .= "</ul><br/>\n";
                   1814: 	}
                   1815:     }
1.23      albertel 1816:     if ( exists($env{'form.numcross'}) ) {
                   1817: 	my $numcross = $env{'form.numcross'};
1.15      albertel 1818: 	if ($numcross > 0) {
                   1819: 	    my @bgcolors=("#eeeeee","#cccccc");
1.42      raeburn  1820: 	    $response .= qq(You indicated that you wish to add an additional $numcross crosslisting(s).  For each new crosslisting enter the insititutional course section code (e.g., fs03zol101001, for section 001 of zol101 for fs03 semester), and the LON-CAPA section ID you wish to assign to students who will be enrolled in your LON-CAPA class as a result of their registration in the crosslisted course section. The LON-CAPA section ID can be left blank, if you do not wish to tie a section ID to this crosslisting.  The institutional course section code should only contain letters and/or numbers, and must be consistent with the scheme adopted by your Domain Coordinator to map course codes (and section numbers) to your institution's student information system.<br/><br/>
1.46      albertel 1821:            <form name="enter" method="post">); #' stupid emacs
1.42      raeburn  1822:            $response .= &Apache::loncommon::start_data_table();
                   1823:            $response .= &Apache::loncommon::start_data_table_row();
                   1824:            $response .= qq(
                   1825:                  <th>Crosslisting</th>
                   1826:                  <th>LON-CAPA section ID</th>
1.15      albertel 1827: 			    );
1.42      raeburn  1828:            $response .= &Apache::loncommon::end_data_table_row();
1.15      albertel 1829: 	    for (my $i=0; $i<$numcross; $i++) {
1.42      raeburn  1830:                 $response .= &Apache::loncommon::start_data_table_row();
1.15      albertel 1831: 		$response .= qq(
1.1       raeburn  1832:                  <td><input type="text" size="15" name="newcross_$i" /></td>
1.42      raeburn  1833:                  <td align="right"><input type="text" size="10" name="newlcsec_$i" /></td>
1.15      albertel 1834: 				);
1.42      raeburn  1835:                 $response .= &Apache::loncommon::end_data_table_row();
1.15      albertel 1836: 	    }
1.42      raeburn  1837:             $response .= &Apache::loncommon::end_data_table();
                   1838: 	    $response .= qq(
1.1       raeburn  1839:               </td>
                   1840:              </tr>
                   1841:              <tr>
                   1842:               <td align="right">
1.39      albertel 1843:                <input type="button" name="newcross" value="Go" onclick="process('newcross')" />
1.1       raeburn  1844:               </td>
                   1845:              </tr>
                   1846:             </table>
1.39      albertel 1847:             <input type=\"hidden\" name=\"numcross\" value=\"$numcross\" />
                   1848:             <input type=\"hidden\" name=\"action\" value=\"newcross\" />
                   1849:             <input type=\"hidden\" name=\"state\" value=\"process\" />
1.1       raeburn  1850:             </form>
1.15      albertel 1851: 			      );
                   1852:         }
                   1853:     }
                   1854:     &print_reply($r,$response,$$tasktitleref{$action});
                   1855:     return;
1.1       raeburn  1856: }
                   1857: 
                   1858: sub print_crosslistings_response () {
1.15      albertel 1859:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1860:     my %settings = &Apache::lonnet::get('environment',['internal.crosslistings','internal.coursecode','internal.courseowner'],$dom,$crs);
                   1861:     my @currxlists = ();
                   1862:     my @xlists = ();
                   1863:     my @allxlists = ();
                   1864:     my @badxlists = ();
                   1865:     my @badowner = ();
1.42      raeburn  1866:     my @reserved = ();
                   1867:     my @matchgroup = ();
1.15      albertel 1868:     my $numcross = 0;
                   1869:     my $xliststr =  $settings{'internal.crosslistings'};
                   1870:     my $coursecode = $settings{'internal.coursecode'};
                   1871:     my $owner = $settings{'internal.courseowner'};
                   1872:     my $response = '';
                   1873:     my $warning = '';
                   1874:     my $warn_prefix = '';
1.1       raeburn  1875: 
1.28      albertel 1876:     if ($xliststr ne '') {
                   1877: 	@allxlists = split(/,/,$xliststr);
1.15      albertel 1878:     }
1.1       raeburn  1879: 
1.23      albertel 1880:     if ( exists($env{'form.numcross'}) ) {
                   1881: 	$numcross = $env{'form.numcross'};
1.15      albertel 1882:     }
1.1       raeburn  1883: 
1.15      albertel 1884:     if ($numcross > 0) {
1.43      raeburn  1885:         my %curr_groups = &Apache::longroup::coursegroups();
1.15      albertel 1886: 	for (my $i=0; $i<$numcross; $i++) {
                   1887: 	    my $xl = "newcross_".$i;
1.42      raeburn  1888: 	    my $lc_sec = "newlcsec_".$i;
1.23      albertel 1889: 	    if ( exists($env{"form.$xl"}) ) {
1.42      raeburn  1890:                 if (exists($env{"form.$lc_sec"})) {
                   1891:                     my $lc_sec_check = &validate_lcsec(\%curr_groups,
                   1892:                                                     $env{"form.$lc_sec"});
                   1893:                     if ($lc_sec_check eq 'reserved') {
                   1894:                         push(@reserved,$env{"form.$xl"}.":".$env{"form.$lc_sec"});
                   1895:                         next;
                   1896:                     } elsif ($lc_sec_check eq 'group') {
                   1897:                         push (@matchgroup,$env{"form.$xl"}.":".$env{"form.$lc_sec"});
                   1898:                         next;
                   1899:                     }
                   1900:                 }
1.15      albertel 1901: 		my $coursecheck = '';
1.23      albertel 1902: 		$coursecheck = &Apache::lonnet::auto_validate_courseID($crs,$dom,$env{"form.$xl"});
1.15      albertel 1903: 		if ($coursecheck eq 'ok') {
                   1904: 		    my $addcheck = '';
1.23      albertel 1905: 		    $addcheck = &Apache::lonnet::auto_new_course($crs,$dom,$env{"form.$xl"},$owner);
1.15      albertel 1906: 		    if ($addcheck eq 'ok') {
1.42      raeburn  1907: 			push @xlists,$env{"form.$xl"}.":".$env{"form.$lc_sec"};
1.15      albertel 1908: 		    } else {
1.42      raeburn  1909: 			push @badowner,$env{"form.$xl"}.":".$env{"form.$lc_sec"};
1.15      albertel 1910: 		    }
                   1911: 		} else {
1.42      raeburn  1912: 		    push @badxlists, $env{"form.$xl"}.":".$env{"form.$lc_sec"}.":".$coursecheck;
1.15      albertel 1913: 		}
                   1914: 	    }
                   1915: 	}
                   1916: 	push @allxlists, @xlists;
                   1917:     }
                   1918:     
                   1919:     if (@xlists > 0 ) {
                   1920: 	unless ($xliststr eq '') { $xliststr .= ","; }
1.28      albertel 1921: 	$xliststr .= join(",",@xlists);
                   1922: 
1.15      albertel 1923: 	my %cenv = ('internal.crosslistings' => $xliststr);
                   1924: 	my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1925: 	if ($reply !~ /^ok$/) {
                   1926: 	    $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/><br/>";
                   1927: 	} else {
                   1928: 	    $response = "The courses listed below are now crosslisted with this LON-CAPA course, and students enrolling in these course sections will be automatically added to the class roster for the course, if you have chosen to enable a nightly automated enrollment update.<br/><ul>\n";
                   1929: 	    foreach (@allxlists) {
1.42      raeburn  1930: 		my ($xlist,$lc_sec) = split/:/,$_;
                   1931: 		$response .= "<li>$xlist - ID: $lc_sec</li>\n";
1.15      albertel 1932: 	    }
                   1933: 	    $response .= "</ul><br/><br/>\n";
                   1934: 	}
                   1935:     } else {
                   1936: 	if ($xliststr =~ m/:/) {
1.28      albertel 1937: 	    my @oldxlists = (split/,/,$xliststr);
1.15      albertel 1938: 	    $response .= "Although no new crosslistings were added, the courses listed below continue to be crosslisted with your LON-CAPA course.<br/><ul>\n";
                   1939: 	    foreach (@oldxlists) {
1.42      raeburn  1940: 		my ($xlist,$lc_sec) = split/:/,$_;
                   1941: 		$response .= "<li>$xlist - ID: $lc_sec</li>\n";
1.15      albertel 1942: 	    }
                   1943: 	    $response .= "</ul><br/><br/>\n";
                   1944: 	}
                   1945:     }
                   1946:     if (@badxlists > 0) {
                   1947: 	$response .= "The courses listed below could not be included in the crosslistings for this LON-CAPA course, because they are not valid courses according to your institution's official schedule of classes and sections.<br/><ul>\n";
                   1948: 	foreach (@badxlists) {
1.42      raeburn  1949: 	    my ($xlist,$lc_sec,$prob) = split/:/,$_;
                   1950: 	    $response .= "<li>$xlist - ID: $lc_sec - Error: $prob</li>\n";
1.15      albertel 1951: 	}
                   1952: 	$response .= "</ul><br/><br/>\n";
                   1953:     }
                   1954:     
                   1955:     if (@badowner > 0) {
                   1956: 	$response .= "The courses listed below could not be included in the crosslistings for this LON-CAPA course, because the owner of this course - $owner - does not have rights to view enrollment in those classes as determined by your instititution's policies on access to official classlists.<br/><ul>\n";
                   1957: 	foreach (@badowner) {
1.42      raeburn  1958: 	    my ($xlist,$lc_sec) = split/:/,$_;
                   1959: 	    $response .= "<li>$xlist - ID: $lc_sec</li>\n";
1.15      albertel 1960: 	}
                   1961: 	$response .= "</ul><br/><br/>\n";
                   1962:     }
1.42      raeburn  1963:     if (@reserved > 0) {
                   1964:         $response .= "The courses listed below could not be included in the crosslistings for this LON-CAPA course, because the section ID associated with the crosslisted course is a reserved word. Please <a href=\"javascript:history(-1)\">go back</a> and change the section ID for each of these courses.<br/><ul>\n";  
                   1965:         foreach (@reserved) {
                   1966:             my ($xlist,$lc_sec) = split/:/,$_;
                   1967:             $response .= "<li>$xlist - ID: $lc_sec</li>\n";
                   1968:         }
                   1969:         $response .= "</ul><br/><br/>\n";
                   1970:     }
                   1971: 
                   1972:     if (@matchgroup > 0) {
                   1973:         $response .= "The courses listed below could not be included in the crosslistings for this LON-CAPA course, because the section ID associated with the crosslisted course is the name of a group in this course. Please <a href=\"javascript:history(-1)\">go back</a> and change the section ID for each of these courses.<br/><ul>\n";
                   1974:         foreach (@matchgroup) {
                   1975:             my ($xlist,$lc_sec) = split/:/,$_;
                   1976:             $response .= "<li>$xlist - ID: $lc_sec</li>\n";
                   1977:         }
                   1978:         $response .= "</ul><br/><br/>\n";
                   1979:     }
1.5       raeburn  1980: 
1.15      albertel 1981:     if (@allxlists > 0) {
                   1982: 	$warning = &warning_message($dom,$crs,$action);
                   1983: 	$warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you have selected crosslisted courses to contribute enrollment to this course, additional action is required.<br/>";
                   1984: 	unless ($warning eq '') {
                   1985: 	    $response .= $warn_prefix.$warning;
                   1986: 	}
                   1987:     }
1.1       raeburn  1988: 
1.15      albertel 1989:     &print_reply($r,$response,$$tasktitleref{$action});
                   1990:     return;
1.1       raeburn  1991: }
                   1992: 
                   1993: sub print_sections_menu () {
1.15      albertel 1994:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1995:     my %settings = &Apache::lonnet::get('environment',['internal.sectionnums','internal.coursecode','internal.courseowner'],$dom,$crs);
                   1996:     my @currsections = ();
                   1997:     my @sections = ();
                   1998:     my @badowner = ();
                   1999:     my @badsections = ();
                   2000:     my $seccount = 0;
                   2001:     my $removecount = 0;
                   2002:     my $addcount = 0;
                   2003:     my $secstr = '';
                   2004:     my $response = '';
                   2005:     my $warning = "";
                   2006:     my $warn_prefix = "";
                   2007:     my $coursecode = $settings{'internal.coursecode'};
                   2008:     my $owner = $settings{'internal.courseowner'};
1.28      albertel 2009:     if ($settings{'internal.sectionnums'} ne '') {
                   2010: 	@currsections = split(/,/,$settings{'internal.sectionnums'});
1.15      albertel 2011:     }
                   2012:     
1.23      albertel 2013:     if ( exists($env{'form.secshow'}) ) {
                   2014: 	for (my $i=0; $i<$env{'form.secshow'}; $i++) {
1.42      raeburn  2015: 	    my $lc_sec = "loncapasec_".$i;
1.15      albertel 2016: 	    my $secnum = "secnum_".$i;
                   2017: 	    my $sec = "sec_".$i;
1.23      albertel 2018: 	    if ( exists( $env{"form.$sec"} ) ) {
1.15      albertel 2019: 		my $secentry;
1.23      albertel 2020: 		if ( exists( $env{"form.$secnum"} ) ) { 
                   2021: 		    $secentry = $env{"form.$secnum"}.':';
1.15      albertel 2022: 		}
1.42      raeburn  2023: 		if ( exists( $env{"form.$lc_sec"} ) ) {
                   2024: 		    $secentry .= $env{"form.$lc_sec"};
1.15      albertel 2025: 		}
1.23      albertel 2026: 		if ( grep/^$env{"form.$secnum"}:/,@currsections) {
1.15      albertel 2027: 		    push @sections, $secentry;
                   2028: 		    $seccount ++;
                   2029: 		} else {
1.23      albertel 2030: 		    my $newsec = $coursecode.$env{"form.$secnum"};
1.15      albertel 2031: 		    my $coursecheck = &Apache::lonnet::auto_validate_courseID($crs,$dom,$newsec);
                   2032: 		    if ($coursecheck eq 'ok') {
                   2033: 			my $addcheck = &Apache::lonnet::auto_new_course($crs,$dom,$newsec,$owner);
                   2034: 			if ($addcheck eq 'ok') {
1.42      raeburn  2035: 			    push @sections,$env{"form.$secnum"}.":".$env{"form.$lc_sec"};
1.15      albertel 2036: 			    $seccount ++;
                   2037: 			    $addcount ++;
                   2038: 			} else {
1.42      raeburn  2039: 			    push @badowner,$env{"form.$secnum"}.":".$env{"form.$lc_sec"};
1.15      albertel 2040: 			}
                   2041: 		    } else {
1.42      raeburn  2042: 			push @badsections, $env{"form.$secnum"}.":".$env{"form.$lc_sec"}.":".$coursecheck;
1.15      albertel 2043: 		    }
                   2044: 		}
                   2045: 	    }
                   2046: 	}
                   2047: 	if (@currsections > 0) {
                   2048: 	    for (my $i=0; $i<@currsections; $i++) {
                   2049: 		if ($currsections[$i] =~ m/^(\w+:)/ ) {
                   2050: 		    my $oldsec  = $1;
                   2051: 		    unless (grep/^$oldsec/,@sections) {
                   2052: 			$removecount ++;
                   2053: 		    }
                   2054: 		}
                   2055: 	    }
                   2056: 	}
                   2057:     } elsif (@currsections > 0) {
                   2058: 	for (my $i=0; $i<@currsections; $i++) {
                   2059: 	    my $sec = "sec_".$i;
1.42      raeburn  2060: 	    my $lc_sec = "lcsec_".$i;
1.23      albertel 2061: 	    if ( exists($env{"form.$sec"}) ) {
1.15      albertel 2062: 		my $secentry = '';
                   2063: 		if ($currsections[$i] =~ m/^(\w+:)/ ) {
                   2064: 		    $secentry = $1;
                   2065: 		}
1.42      raeburn  2066: 		if ( exists($env{"form.$lc_sec"}) ) {
                   2067: 		    $secentry .= $env{"form.$lc_sec"};
1.15      albertel 2068: 		}
                   2069: 		push @sections,$secentry;
                   2070: 		$seccount ++;
                   2071: 	    } else {
                   2072: 		$removecount ++;
                   2073: 	    }
                   2074: 	}
                   2075:     }
                   2076:     
1.28      albertel 2077:     $secstr = join(",",@sections);
                   2078: 
1.15      albertel 2079:     my %cenv = ('internal.sectionnums' => $secstr);
                   2080:     my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   2081:     if ($reply !~ /^ok$/) {
                   2082: 	$response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
                   2083:     } else {
                   2084: 	if ($removecount > 0) {
                   2085: 	    $response = "A total of $removecount sections have been removed from the list of sections which contribute to enrollment in LON-CAPA course: $realm ($coursecode).<br/><br/>";
                   2086: 	}
                   2087: 	if ($addcount > 0) {
                   2088: 	    $response .= "A total of $addcount sections have been added to the list of
1.6       raeburn  2089: sections which contribute to enrollment in LON-CAPA course: $realm ($coursecode).<br/><br/>";
1.15      albertel 2090: 	}
                   2091: 	if ($seccount > 0) { 
                   2092: 	    $response .= "Students enrolling in the $seccount section(s) listed below will be automatically added to the class roster for the course, if you have chosen to enable a nightly automated enrollment update.<br/><ul>\n";
                   2093: 	    foreach (@sections) {
1.42      raeburn  2094: 		my ($sec,$lc_sec) = split/:/,$_;
                   2095: 		$response .= "<li>$sec  - ID: $lc_sec</li>\n";
1.15      albertel 2096: 	    }
                   2097: 	    $response .= "</ul><br/>\n";
                   2098: 	}
                   2099:     }
                   2100:     
                   2101:     if (@badsections > 0) {
                   2102: 	$response .= "The sections listed below could not be included in the sections for this LON-CAPA course, because they are not valid section numbers according to your institution's official schedule of classes and sections.<br/><ul>\n";
                   2103: 	foreach (@badsections) {
1.42      raeburn  2104: 	    my ($secnum,$lc_sec,$prob) = split/:/,$_;
                   2105: 	    $response .= "<li>$secnum - ID: $lc_sec - Error: $prob</li>\n";
1.15      albertel 2106: 	}
                   2107: 	$response .= "</ul><br/><br/>\n";
                   2108:     }
                   2109:     
                   2110:     if (@badowner > 0) {
                   2111: 	$response .= "The sections listed below could not be included in the sections for this LON-CAPA course, because the owner of this course - $owner - does not have rights to view enrollment in those classes as determined by your instititution's policies on access to official classlists.<br/><ul>\n";
                   2112: 	foreach (@badowner) {
1.42      raeburn  2113: 	    my ($secnum,$lc_sec) = split/:/,$_;
                   2114: 	    $response .= "<li>$secnum - ID: $lc_sec</li>\n";
1.15      albertel 2115: 	}
                   2116: 	$response .= "</ul><br/><br/>\n";
                   2117:     }
                   2118:     
                   2119:     if ($seccount > 0) {
                   2120: 	$warning = &warning_message($dom,$crs,$action);
                   2121: 	$warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you have selected sections to contribute enrollment to this course, additional action is required.<br/>";
                   2122: 	unless ($warning eq '') {
                   2123: 	    $response .= $warn_prefix.$warning;
                   2124: 	}
                   2125:     }
                   2126:     
1.23      albertel 2127:     if ( exists($env{'form.numsec'}) ) {
                   2128: 	my $numsec = $env{'form.numsec'};
1.15      albertel 2129: 	if ($numsec > 0) {
                   2130: 	    my @bgcolors=("#eeeeee","#cccccc");
                   2131: 	    $response .= qq(
1.42      raeburn  2132: 			    You indicated that you wish to incorporate student enrollment in your LON-CAPA course from an additional $numsec section(s).  For each new section enter the insititutional section code (e.g., 004), and the LON-CAPA section ID you wish to assign to students who will be enrolled in your LON-CAPA class as a result of their registration in this particular section. The LON-CAPA section ID can be left blank, if you do not wish to designate a section ID for this course section.  The institutional section code should only contain letters and/or numbers, and must be consistent with the scheme adopted by your Domain Coordinator to map course section numbers to your institution\'s student information system.<br/><br/> 
1.1       raeburn  2133:            <form name="enter" method="post">
                   2134:            <table border="0" cellpadding="2" cellspacing="2" width="100%">
                   2135:              <tr>
1.42      raeburn  2136:               <td>);
                   2137:             $response .= &Apache::loncommon::start_data_table();
                   2138:             $response .= &Apache::loncommon::start_data_table_row();
                   2139:             $response .= qq(
                   2140:                  <th>Section number</th>
                   2141:                  <th>LON-CAPA section ID</th>
                   2142: 			 );
                   2143:             $response .= &Apache::loncommon::end_data_table_row();
1.15      albertel 2144: 	    for (my $i=0; $i<$numsec; $i++) {
1.42      raeburn  2145:                 $response .= &Apache::loncommon::start_data_table_row();
1.15      albertel 2146: 		$response .= qq(
1.42      raeburn  2147:                  <td><input type="text" size="10" name="newsec_$i" /></td>
                   2148:                  <td align="right">
                   2149:                    <input type="text" size="10" name="newlcsec_$i" />
                   2150:                  </td>
                   2151: 			     );
                   2152:                 $response .= &Apache::loncommon::end_data_table_row();
1.15      albertel 2153: 	    }
1.42      raeburn  2154:             $response .= &Apache::loncommon::end_data_table();
                   2155: 	    $response .= qq(
1.1       raeburn  2156:               </td>
                   2157:              </tr>
                   2158:              <tr>
                   2159:               <td align="right">
1.39      albertel 2160:                <input type="button" name="newsections" value="Go" onclick="process('newsections')" />
1.1       raeburn  2161:               </td>
                   2162:              </tr>
                   2163:             </table>
1.39      albertel 2164:             <input type=\"hidden\" name=\"numsec\" value=\"$numsec\" />
                   2165:             <input type=\"hidden\" name=\"action\" value=\"newsections\" />
                   2166:             <input type=\"hidden\" name=\"state\" value=\"process\" />
1.1       raeburn  2167:             </form>
1.15      albertel 2168: 			      );
                   2169: 	}
                   2170:     }
                   2171:     &print_reply($r,$response,$$tasktitleref{$action});
                   2172:     return;
1.1       raeburn  2173: }
                   2174: 
                   2175: sub print_sections_response () {
1.15      albertel 2176:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   2177:     my %settings = &Apache::lonnet::get('environment',['internal.sectionnums','internal.coursecode','internal.courseowner'],$dom,$crs);
                   2178:     my @currsections = ();
                   2179:     my @sections = ();
                   2180:     my @allsections = ();
                   2181:     my @badowner = ();
                   2182:     my @badsections = ();
1.42      raeburn  2183:     my @reserved = ();
                   2184:     my @matchgroup = ();
1.15      albertel 2185:     my $numsec = 0;
                   2186:     my $secstr =  $settings{'internal.sectionnums'};
                   2187:     my $coursecode = $settings{'internal.coursecode'};
                   2188:     my $owner = $settings{'internal.courseowner'};
                   2189:     my $response = '';
                   2190:     my $putreply = '';
                   2191:     my $warning = '';
                   2192:     my $warn_prefix = '';
1.28      albertel 2193:     if ($secstr ne '') {
                   2194: 	@allsections = split(/,/,$secstr);
1.15      albertel 2195:     }
                   2196:     
1.23      albertel 2197:     if ( exists($env{'form.numsec'}) ) {
                   2198: 	$numsec = $env{'form.numsec'};
1.15      albertel 2199:     }
                   2200:     
                   2201:     if ($numsec > 0) {
1.43      raeburn  2202:         my %curr_groups = &Apache::longroup::coursegroups();
1.15      albertel 2203: 	for (my $i=0; $i<$numsec; $i++) {
                   2204: 	    my $sec = "newsec_".$i;
1.42      raeburn  2205: 	    my $lc_sec = "newlcsec_".$i;
1.23      albertel 2206: 	    if ( exists($env{"form.$sec"}) ) {
                   2207: 		unless ( (grep/^$env{"form.$sec"}:/,@allsections) || (grep/^$env{"form.$sec"}:/,@sections) ) {
1.42      raeburn  2208:                     my $lc_sec_check = &validate_lcsec(\%curr_groups,                                                     $env{"form.$lc_sec"});
                   2209:                     if ($lc_sec_check eq 'reserved') {
                   2210:                         push(@reserved,$env{"form.$sec"}.":".$env{"form.$lc_sec"});
                   2211:                         next;
                   2212:                     } elsif ($lc_sec_check eq 'group') {
                   2213:                         push (@matchgroup,$env{"form.$sec"}.":".$env{"form.$lc_sec"});
                   2214:                         next;
                   2215:                     }
1.23      albertel 2216: 		    my $newsec = $coursecode.$env{"form.$sec"};
1.15      albertel 2217: 		    my $coursecheck = &Apache::lonnet::auto_validate_courseID($crs,$dom,$newsec);
                   2218: 		    if ($coursecheck eq 'ok') {
                   2219: 			my $addcheck = &Apache::lonnet::auto_new_course($crs,$dom,$newsec,$owner);
                   2220: 			if ($addcheck eq 'ok') {
1.42      raeburn  2221: 			    push @sections,$env{"form.$sec"}.":".$env{"form.$lc_sec"};
1.15      albertel 2222: 			} else {
1.42      raeburn  2223: 			    push @badowner,$env{"form.$sec"}.":".$env{"form.$lc_sec"};
1.15      albertel 2224: 			}
                   2225: 		    } else {
1.42      raeburn  2226: 			push @badsections, $env{"form.$sec"}.":".$env{"form.$lc_sec"}.":".$coursecheck;
1.15      albertel 2227: 		    }
                   2228: 		}
                   2229: 	    }
                   2230: 	}
                   2231: 	push @allsections, @sections;
                   2232:     }
                   2233:     
                   2234:     if (@sections > 0 ) {
                   2235: 	unless ($secstr eq '') { $secstr .= ","; } 
1.28      albertel 2236: 	$secstr .= join(",",@sections);
1.15      albertel 2237: 	my %cenv = ('internal.sectionnums' => $secstr);
                   2238: 	$putreply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   2239: 	if ($putreply !~ /^ok$/) {
                   2240: 	    $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/><br/>";
                   2241: 	}
                   2242:     }
                   2243: 
                   2244:     if ($putreply =~ /^ok/) {
                   2245: 	$response = "Students enrolling in the sections listed below will be automatically added to the class roster for LON-CAPA course $realm ($coursecode), if you have chosen to enable a nightly automated enrollment update.<br/><ul>\n";
                   2246: 	foreach (@allsections) {
1.42      raeburn  2247: 	    my ($sec,$lc_sec) = split/:/,$_;
                   2248: 	    $response .= "<li>$sec - ID: $lc_sec</li>\n";
1.15      albertel 2249: 	}
                   2250: 	$response .= "</ul><br/><br/>\n";
                   2251:     }
                   2252: 
                   2253:     if (@badsections > 0) {
                   2254: 	$response .= "The sections listed below could not be included in the sections for this LON-CAPA course, because they are not valid section numbers according to your institution's official schedule of classes and sections.<br/><ul>\n";
                   2255: 	foreach (@badsections) {
1.42      raeburn  2256: 	    my ($secnum,$lc_sec,$prob) = split/:/,$_;
                   2257: 	    $response .= "<li>$secnum - ID: $lc_sec - Error: $prob</li>\n";
1.15      albertel 2258: 	}
                   2259: 	$response .= "</ul><br/><br/>\n";
                   2260:     }
                   2261: 
                   2262:     if (@badowner > 0) {
                   2263: 	$response .= "The sections listed below could not be included in the sections for this LON-CAPA course, because the owner of this course - $owner - does not have rights to view enrollment in those classes as determined by your instititution's policies on access to official classlists.<br/><ul>\n";
                   2264: 	foreach (@badowner) {
1.42      raeburn  2265: 	    my ($secnum,$lc_sec) = split/:/,$_;
                   2266: 	    $response .= "<li>$secnum - ID: $lc_sec</li>\n";
1.15      albertel 2267: 	}
                   2268: 	$response .= "</ul><br/><br/>\n";
                   2269:     }
                   2270: 
1.42      raeburn  2271:     if (@reserved > 0) {
                   2272:         $response .= "The sections listed below could not be included in the sections for this LON-CAPA course, because the section ID associated with the institutional section is a reserved word. Please <a href=\"javascript:history.go(-1)\">go back</a> and change the section ID for each of these sections.<br/><ul>\n";
                   2273:         foreach (@reserved) {
                   2274:             my ($xlist,$lc_sec) = split/:/,$_;
                   2275:             $response .= "<li>$xlist - ID: $lc_sec</li>\n";
                   2276:         }
                   2277:         $response .= "</ul><br/><br/>\n";
                   2278:     }
                   2279:                                                                                  
                   2280:     if (@matchgroup > 0) {
                   2281:         $response .= "The sections listed below could not be included in the sections for this LON-CAPA course, because the section ID associated with the institutional section is the name of a group in this course. Please <a href=\"javascript:history.go(-1)\">go back</a> and change the section ID for each of these sections.<br/><ul>\n";
                   2282:         foreach (@matchgroup) {
                   2283:             my ($xlist,$lc_sec) = split/:/,$_;
                   2284:             $response .= "<li>$xlist - ID: $lc_sec</li>\n";
                   2285:         }
                   2286:         $response .= "</ul><br/><br/>\n";
                   2287:     }
                   2288: 
                   2289: 
1.15      albertel 2290:     if (@allsections > 0) {
                   2291: 	$warning = &warning_message($dom,$crs,$action);
                   2292: 	$warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you have selected sections to contribute enrollment to this course, additional action is required.<br/>";
                   2293: 	unless ($warning eq '') {
                   2294: 	    $response .= $warn_prefix.$warning;
                   2295: 	}
                   2296:     }
1.1       raeburn  2297: 
1.15      albertel 2298:     &print_reply($r,$response,$$tasktitleref{$action});
                   2299:     return;
1.1       raeburn  2300: }
                   2301: 
1.34      raeburn  2302: sub photo_permission {
1.15      albertel 2303:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
1.35      albertel 2304:     my %settings = &Apache::lonnet::get('environment',
                   2305: 					['internal.courseowner',
                   2306: 					 'internal.photopermission',
1.37      raeburn  2307: 					 'internal.showphoto'],
1.35      albertel 2308: 					$dom,$crs);
1.34      raeburn  2309:     my ($showphotos,$response);
                   2310:     if (exists($env{'form.cancel_agreement'})) {
1.48      albertel 2311:         if (&user_is_courseowner($settings{'internal.courseowner'})) {
1.34      raeburn  2312:             my %cenv = (
                   2313:                 'internal.photopermission' => 'no',
                   2314:             );
                   2315:             my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   2316:             if ($reply !~ /^ok$/) {
                   2317:                 $response = &mt('There was a problem processing the record of your agreement to the conditions of use. Settings for this course have been left unchanged.').'<br/>'."\n";
                   2318:                 &print_reply($r,$response,$$tasktitleref{$action});
                   2319:             } else {
                   2320:                 &print_photos_response($r,$realm,$dom,$crs,$action,
                   2321:                        $tasktitleref,$showphotos,'no',\%cenv);
                   2322:             }
                   2323:             return;            
                   2324:         }
                   2325:     } 
                   2326:     if (exists($env{'form.showphotos'})) {
                   2327:         $showphotos=$env{'form.showphotos'};
                   2328:     }
                   2329:     if ($showphotos) {
                   2330:         if ($env{'form.photopermission'}) {
                   2331:             my %cenv = (
                   2332:                 'internal.photopermission' => $env{'form.photopermission'},
                   2333:             );
                   2334:             my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   2335:             if ($reply !~ /^ok$/) {
                   2336:                 $response = &mt('There was a problem processing the record of your agreement to the conditions of use. Settings for this course have been left unchanged.').'<br/>'."\n";
                   2337:             } else {
                   2338:                 &print_photos_response($r,$realm,$dom,$crs,$action,
1.35      albertel 2339: 				       $tasktitleref,$showphotos,
                   2340: 				       $env{'form.photopermission'},\%cenv);
1.34      raeburn  2341:             }
                   2342:         } else {
                   2343:             my ($result,$perm_reqd,$conditions) = 
1.35      albertel 2344: 		&Apache::lonnet::auto_photo_permission($crs,$dom);
1.34      raeburn  2345:             my $permcheck;
                   2346:             if ($result eq 'ok') { 
                   2347:                 if ($perm_reqd eq 'yes') {
                   2348:                     if ($settings{'internal.photopermission'} eq 'yes') {
                   2349:                         &print_photos_response($r,$realm,$dom,$crs,$action,
1.35      albertel 2350: 					       $tasktitleref,$showphotos);
1.34      raeburn  2351:                     } else {
                   2352:                         return(&print_photo_agreement($r,$realm,$dom,$crs,
1.35      albertel 2353: 						      $action,$tasktitleref,
                   2354: 						      $conditions,
                   2355: 						      $settings{'internal.courseowner'}));
1.34      raeburn  2356:                     }
                   2357:                 } elsif ($perm_reqd eq 'no') {
                   2358:                     &print_photos_response($r,$realm,$dom,$crs,$action,
1.35      albertel 2359: 					   $tasktitleref,$showphotos);
1.34      raeburn  2360:                 } else {
                   2361:                     $permcheck = 'fail';
                   2362:                 }
                   2363:             } else {
                   2364:                 $permcheck = 'fail';
                   2365:             }
                   2366:             if ($permcheck eq 'fail') {
                   2367:                 my $response = &mt('There was a problem processing your requested change, because it could not be determined whether course owner permission is required in order for a course coordinator to have access to student photos in this domain.').' '.&mt('The student photo import setting for this course has been left unchanged.').'<br/>';
                   2368:                 &print_reply($r,$response,$$tasktitleref{$action});
                   2369:             }
                   2370:         }
                   2371:     } else {
                   2372:         &print_photos_response($r,$realm,$dom,$crs,$action,$tasktitleref);
                   2373:     }
                   2374:     return;
                   2375: }
                   2376: 
                   2377: sub print_photo_agreement {
                   2378:     my ($r,$realm,$dom,$crs,$action,$tasktitleref,$conditions,$courseowner)=@_;
                   2379:     my $response;
1.49      albertel 2380:     my $institution = &Apache::lonnet::domain($dom,'description');
1.48      albertel 2381:     if (&user_is_courseowner($courseowner)) {
1.34      raeburn  2382:         $response = '
1.58      bisitz   2383: <script type="text/javascript" language="JavaScript">
1.34      raeburn  2384: function agreement_result(caller) {
                   2385:     document.permission.photopermission.value = caller;
                   2386:     if (caller == 0) {
                   2387:         document.location.href="/adm/populate";
                   2388:     } else {
                   2389:         document.permission.submit();
                   2390:     }
                   2391:     return;
                   2392: }
                   2393: </script>
                   2394:   <form name="permission" method="post">
                   2395:    <table width="100%" border="0" cellpadding="2" cellspacing="2">
                   2396:     <tr>
                   2397:      <td align="left"><b>Use of student photos</b><br/>'."\n".
                   2398:       &mt('Acceptance by the course owner of the conditions of use of photos is currently [_1] set.','<b>not</b>').'<br />'.&mt('Please indicate your acceptance of the conditions of use of digital photos of registered students in courses at [_1].',$institution).'
                   2399:      </td>
                   2400:     </tr>
                   2401:    </table>
                   2402:    <table border="0" cellpadding="3" cellspacing="3">
                   2403:     <tr>
                   2404:      <td colspan="2">
                   2405:       <textarea rows="20" cols="80">'.$conditions.'</textarea>
                   2406:      </td>
                   2407:      <tr>
                   2408:       <td align="left">  
                   2409:        <input type="button" name="disagree" value="I do not agree" onclick="javascript:agreement_result('."'no'".');" />
                   2410:       </td>
                   2411:       <td align="right">
                   2412:        <input type="button" name="agree" value="I agree" onclick="javscript:agreement_result('."'yes'".');" />
                   2413:       </td>
                   2414:     </tr>
                   2415:    </table>
                   2416:    <input type ="hidden" name="action" value="'.$action.'" />
                   2417:    <input type ="hidden" name="state" value="process" />
                   2418:    <input type ="hidden" name="showphotos" value="1" />
                   2419:    <input type= "hidden" name="photopermission" value="" />
                   2420:   </form>
                   2421: ';
                   2422:     } else {
1.44      raeburn  2423:         my ($ownername,$owneremail) = &get_ownerinfo($dom,$courseowner);
                   2424:         my $emailstr;
                   2425:         if ($owneremail) {
                   2426:             $emailstr = "(e-mail: $owneremail)";
                   2427:         }
1.56      bisitz   2428:         $response = &mt('The policies of your institution [_1] require that the course owner [_2] must indicate acceptance of the conditions of use of digital photos of registered students, before they may be made available for use in a course.',$institution,$ownername)
                   2429:                    .'<br /><br />'
                   2430:                    .&mt('Please direct the course owner [_1] to visit the "Student photos" page in the Automated Enrollment Manager to indicate acceptance of these conditions of use.',$emailstr);
1.34      raeburn  2431:     }
                   2432:     &print_reply($r,$response,$$tasktitleref{$action});
                   2433: }
                   2434: 
                   2435: sub print_photos_response {
                   2436:     my ($r,$realm,$dom,$crs,$action,$tasktitleref,$showphotos,$photopermission,
1.35      albertel 2437: 	$permissionenv)=@_;
1.34      raeburn  2438:     my %newenv;
                   2439:     if (defined($permissionenv)) {
                   2440:         foreach my $key (keys(%{$permissionenv})) {
                   2441:             if (exists($env{'request.course.id'})) {
                   2442:                 $newenv{$env{'request.course.id'}.'.'.$key} =
1.35      albertel 2443: 		    $$permissionenv{$key};
1.34      raeburn  2444:             }
                   2445:         }
                   2446:     }
1.37      raeburn  2447:     my %settings = &Apache::lonnet::get('environment',['internal.showphoto'],
1.35      albertel 2448: 					$dom,$crs);
1.37      raeburn  2449:     my $currphotos = $settings{'internal.showphoto'};
1.34      raeburn  2450:     my $response = "";
                   2451:     if (defined($photopermission)) {
                   2452:         if ($photopermission eq 'yes') {
                   2453:             $response = &mt('Acceptance of photo use policy recorded.').'<br />'."\n";
                   2454:         } else {
                   2455:             $response = &mt('Non-acceptance of photo use policy recorded.').'<br />'."\n";
                   2456:             $showphotos = 0;
                   2457:         }
1.15      albertel 2458:     }
1.37      raeburn  2459:     my %cenv = ('internal.showphoto' => $showphotos);
1.15      albertel 2460:     my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   2461:     if ($reply !~ /^ok$/) {
1.34      raeburn  2462: 	$response .= "There was a problem processing your requested change. The student photo retrieval setting for this course has been left unchanged.<br/>";
1.15      albertel 2463:     } else {
                   2464: 	if ($showphotos) {
                   2465: 	    if ($currphotos) {
1.34      raeburn  2466: 		$response .= "Retrieval of student photos is still <b>enabled</b>.<br/>";
1.15      albertel 2467: 	    } else {
1.34      raeburn  2468: 		$response .= "Retrieval of student photos in now <b>enabled</b>.<br/>";
1.35      albertel 2469:                 my ($update,$commentary) = 
                   2470: 		    &Apache::lonnet::auto_photochoice($crs,$dom);
1.34      raeburn  2471:                 if ($update) {
                   2472:                     $response .= '<br />'.$commentary.'<br /><br />
                   2473: <form name="photoupdate" method="post">
                   2474: <input type ="button" name="retrieve" value="'.&mt('Update photo repository').'" 
                   2475: onclick="javascript:document.photoupdate.submit()" /> 
                   2476: <input type ="hidden" name="action" value="'.$action.'" />
                   2477: <input type ="hidden" name="state" value="photoupdate" />
                   2478: </form>';
                   2479:                 }
1.15      albertel 2480: 	    }
                   2481: 	} else {
                   2482: 	    if ($currphotos) {
1.34      raeburn  2483: 		$response .= "Retrieval of student photos is now <b>disabled</b>.<br/>";
1.15      albertel 2484: 	    } else {
1.34      raeburn  2485: 		$response .= "Retrieval of student photos is still <b>disabled</b>.<br/>";
1.15      albertel 2486: 	    }
                   2487: 	}
1.34      raeburn  2488:         foreach my $key (keys(%cenv)) {
                   2489:             if (exists($env{'request.course.id'})) {
                   2490:                 $newenv{'course.'.$env{'request.course.id'}.'.'.$key} = 
1.35      albertel 2491: 		    $cenv{$key};
1.34      raeburn  2492:             }
                   2493:         }
                   2494:     }
                   2495:     if (keys(%newenv) > 0) {
1.54      raeburn  2496:         &Apache::lonnet::appenv(\%newenv);
1.34      raeburn  2497:     }
                   2498:     &print_reply($r,$response,$$tasktitleref{$action});
                   2499:     return;
                   2500: }
                   2501: 
                   2502: sub print_photoupdate_response {
                   2503:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   2504:     my $response;
                   2505:     my %changes;
                   2506:     my %lt = &LONCAPA::Enrollment::photo_response_types();
1.35      albertel 2507:     my %settings = &Apache::lonnet::get('environment',
                   2508: 					['internal.coursecode',
                   2509: 					 'internal.sectionnums',
                   2510: 					 'internal.crosslistings'],
                   2511: 					$dom,$crs);
1.34      raeburn  2512:     my @allcourses = ();
                   2513:     my %LC_code;
                   2514:     my %affiliates;
                   2515:     my $outcome;
1.53      raeburn  2516:     &Apache::loncommon::get_institutional_codes(\%settings,\@allcourses,\%LC_code);
1.34      raeburn  2517:     if (@allcourses > 0) {
                   2518:         @{$affiliates{$crs}} = @allcourses;
                   2519:         $outcome = &Apache::lonnet::auto_photoupdate(\%affiliates,$dom,$crs,\%changes);
                   2520:         unless ($outcome eq 'ok') {
                   2521:             &Apache::lonnet::logthis("lonpopulate::print_photoupdate_response".
1.35      albertel 2522: 				     "failed to update student photos".
                   2523: 				     " for ".$crs."\@".$dom." by ".
                   2524: 				     $env{'user.name'}." \@ ".$env{'user.domain'}.
                   2525: 				     ": ".$outcome);
1.34      raeburn  2526:         }
                   2527:         if ($outcome eq 'ok') {
                   2528:             if (keys(%changes) > 0) {
1.58      bisitz   2529:                 $response = &mt('Update of photos for registered students resulted in the following ').': <br />'
                   2530:                            .'<script type="text/javascript" language="JavaScript">
1.34      raeburn  2531: function photowindow(photolink) {
                   2532:     var title = "Photo_Viewer";
                   2533:     var options = "scrollbars=1,resizable=1,menubar=0";
                   2534:     options += ",width=240,height=240";
                   2535:     stdeditbrowser = open(photolink,title,options,"1");
                   2536:     stdeditbrowser.focus();
                   2537: }
                   2538: </script>
                   2539: ';
                   2540:                 foreach my $type (sort(keys(%changes))) {
                   2541:                     my @usernames = sort(split(/\&/,$changes{$type})); 
                   2542:                     my $count = @usernames; 
                   2543:                     $response .= '<b>'.&mt('For [_1] students, photos ',
1.35      albertel 2544: 					   $count).$lt{$type}.'</b><ul>';
1.34      raeburn  2545:                     foreach my $username (@usernames) {
                   2546:                         $response .= '<li>'.$username;
                   2547:                         if (($type eq 'new') || ($type eq 'same') || ($type eq 'update')) {
                   2548:                             $response .= '&nbsp;<a href="javascript:photowindow('."'".&Apache::lonnet::studentphoto($dom,$username,'jpg')."'".')">View</a></li>';  
                   2549:                         }
                   2550:                     }
                   2551:                     $response .= '</ul><br />';
                   2552:                 }
                   2553:             } else {
                   2554:                 $response = &mt('No updates of photos of registered students occurred').
                   2555:                          '<br />';
                   2556:             }    
                   2557:         } else {
                   2558:             $response = "There was a problem updating student photos for registered students in this course. <br/>";
                   2559:         }
                   2560:     } else {
                   2561:         $response = "No institutional course sections are currently associated with this course so there are no registered students for whom photos can be imported/updated";
1.15      albertel 2562:     }
                   2563:     &print_reply($r,$response,$$tasktitleref{$action});
                   2564:     return;
1.1       raeburn  2565: }
                   2566: 
1.34      raeburn  2567: sub get_ownerinfo {
                   2568:     my ($dom,$owner) = @_; 
1.44      raeburn  2569:     my ($ownername,$owneremail,$own_uname,$own_udom);
1.34      raeburn  2570:     if ($owner) {
1.44      raeburn  2571:         if ($owner =~ /^([^:]+):([^:]+)$/) {
                   2572:             $own_uname = $1;
                   2573:             $own_udom = $2; 
                   2574:         } else {
                   2575:             $own_uname = $owner;
                   2576:             $own_udom = $dom; 
                   2577:         }
                   2578:         $ownername=&Apache::loncommon::plainname($own_uname,$own_udom,
                   2579:                                                  'firstname');
1.36      raeburn  2580:         my %ownerinfo = &Apache::lonnet::get('environment',['permanentemail'],
1.44      raeburn  2581: 					     $own_udom,$own_uname);
1.34      raeburn  2582:         $owneremail = $ownerinfo{'permanentemail'};
                   2583:     }
                   2584:     return ($ownername,$owneremail);
                   2585: }
                   2586: 
1.1       raeburn  2587: sub print_update_result () {
1.15      albertel 2588:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   2589:     my $response = '';
                   2590:     my $updateadds = 0;
                   2591:     my $updatedrops = 0;
                   2592:     my $changecount = 0;
                   2593:     my %affiliates = ();
                   2594:     my %reply = ();
                   2595:     my @allcourses = ();
                   2596:     my %LC_code = ();
                   2597:     my $logmsg = '';
                   2598:     my $newusermsg = '';
1.34      raeburn  2599:     my %phototypes = ();
1.37      raeburn  2600:     my %settings = &Apache::lonnet::get('environment',['internal.coursecode','internal.sectionnums','internal.crosslistings','internal.authtype','internal.autharg','internal.showphoto'],$dom,$crs);
1.15      albertel 2601:     my $coursecode = $settings{'internal.coursecode'};
                   2602:     my $authtype = $settings{'internal.authtype'};
                   2603:     my $autharg = $settings{'internal.autharg'};
1.37      raeburn  2604:     my $showphotos = $settings{'internal.showphoto'};
1.15      albertel 2605:     my ($startaccess,$endaccess) = &get_dates_from_form();
1.23      albertel 2606:     if ( exists($env{'form.updateadds'}) ) {
                   2607:         $updateadds = $env{'form.updateadds'};
1.15      albertel 2608:     }
1.23      albertel 2609:     if ( exists($env{'form.updatedrops'}) ) {
                   2610:         $updatedrops = $env{'form.updatedrops'};
1.15      albertel 2611:     }
1.19      raeburn  2612:     if (($startaccess eq '') || ($endaccess eq '')) {
                   2613:         $response = "There was a problem processing your requested roster update because start and and access dates could not be determined. No changes have been made to the class roster.<br />"; 
                   2614:     } elsif ($updateadds && (($endaccess > 0) && ($endaccess <= $startaccess))) {
                   2615:         $response = 'The start access date/time is the same or later than the end access date/time. As this means that new roles will never be active, your requested roster update has not been carried out, and the roster remains unchanged. Please <a href="javascript:history.go(-1)">go back</a> to the previous page to try your changes again.'."\n";
                   2616:     } elsif (!$updateadds && !$updatedrops) {
1.15      albertel 2617: 	$response = "An update of the class roster has not been carried out because you indicated that you wanted to neither add new students, nor expire dropped students based on a comparison between the institutional class lists for the course sections and crosslisted courses that contribure enrollment to this LON-CAPA course.";
                   2618:     } elsif ($coursecode eq '') {
                   2619: 	$response = "There was a problem retrieving the course code for this LON-CAPA course.  An update of the class roster has not been carried out, and enrollment remains unchanged";
                   2620:     } else {
1.53      raeburn  2621:         &Apache::loncommon::get_institutional_codes(\%settings,\@allcourses,\%LC_code);
1.15      albertel 2622: 	if (@allcourses > 0) {
                   2623: 	    @{$affiliates{$crs}} = @allcourses;
                   2624: 	    my $outcome = &Apache::lonnet::fetch_enrollment_query('updatenow',\%affiliates,\%reply,$dom,$crs);
1.19      raeburn  2625:             unless ($outcome eq 'ok') {
                   2626:                 &Apache::lonnet::logthis("lonpopulate:update roster".
                   2627:                                          "failed to retrieve classlist".
                   2628:                                  " data for ".$crs."\@".$dom." by ".
1.23      albertel 2629:                                  $env{'user.name'}." \@ ".$env{'user.domain'}.
1.19      raeburn  2630:                                  ": ".$outcome);
                   2631:             }
1.15      albertel 2632: 	    if ($reply{$crs} > 0) {
1.34      raeburn  2633: 		($changecount,$response) = &LONCAPA::Enrollment::update_LC($dom,$crs,$updateadds,$updatedrops,$startaccess,$endaccess,$authtype,$autharg,\@allcourses,\%LC_code,\$logmsg,\$newusermsg,"updatenow",\%phototypes);
1.15      albertel 2634: 	    } else {
                   2635: 		$response = "There was a problem retrieving institutional class list data for the course sections and crosslisted courses which contribute enrollment to this course. No updates have been carried out, and the roster remains unchanged.";
                   2636: 	    }  
                   2637: 	} else {
                   2638: 	    $response = "There are currently no course sections or crosslisted courses designated as contributors to enrollment in this LON-CAPA course. As a result a student roster update has not been carried out for $realm ($coursecode)";
                   2639: 	}
                   2640:     }
                   2641:     unless ($logmsg eq '') {
                   2642: 	my $loglength = length($logmsg);
                   2643: 	$logmsg = substr($logmsg,0,$loglength-4);
                   2644: 	$logmsg = "<br/><br/>The following messages were generated by the roster update process: <br/><ul><li>".$logmsg."</ul><br/>";
                   2645:     }
                   2646:     unless ($newusermsg eq '') {
                   2647: 	$newusermsg = substr( $newusermsg,0,rindex($newusermsg,'<li>') );
1.19      raeburn  2648: 	$newusermsg = "<br/><br/>The following new system user(s) who was/were created will be using local or internal authentication with an initial randomly generated password. A valid e-mail address was not available for this/these user(s) so LON-CAPA account credentials could not be sent via e-mail.<br/><ul><li>".$newusermsg."</ul><br/>";
1.15      albertel 2649:     }
                   2650:     $response .= $logmsg.$newusermsg;
                   2651:     &print_reply($r,$response,$$tasktitleref{$action});
                   2652:     return;
1.10      raeburn  2653: }
                   2654: 
1.14      raeburn  2655: sub print_viewclass_response {
                   2656:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   2657:     my $response;
                   2658:     my $chgtotal = 0;
                   2659:     my $chgok = 0;
                   2660:     my $chgfail = 0;
                   2661:     my $othdom = 0;
1.16      raeburn  2662:     my $locktotal = 0;
                   2663:     my $lockok = 0;
                   2664:     my $lockfail = 0;
1.14      raeburn  2665:     my $cid = $dom."_".$crs;
                   2666:     my %chg = ();
                   2667:     my %nochg = ();
                   2668:     my %otherdom = ();
1.16      raeburn  2669:     my %lockchg = ();
                   2670:     my %nolockchg = ();
1.27      albertel 2671:     my $classlist = &Apache::loncoursedata::get_classlist($dom,$crs);
1.14      raeburn  2672:     my $endidx = &Apache::loncoursedata::CL_END;
                   2673:     my $startidx = &Apache::loncoursedata::CL_START;
                   2674:     my $ididx=&Apache::loncoursedata::CL_ID;
                   2675:     my $secidx=&Apache::loncoursedata::CL_SECTION;
                   2676:     my $typeidx=&Apache::loncoursedata::CL_TYPE;
1.16      raeburn  2677:     my $lockedidx=&Apache::loncoursedata::CL_LOCKEDTYPE;
                   2678:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['chgauto','chgmanual','lockchg','unlockchg']);
1.24      albertel 2679:     my @typechglist = (&Apache::loncommon::get_env_multiple('form.chgauto'),
                   2680: 		       &Apache::loncommon::get_env_multiple('form.chgmanual'));
                   2681:     my @lockchglist = (&Apache::loncommon::get_env_multiple('form.lockchg'),
                   2682: 		       &Apache::loncommon::get_env_multiple('form.unlockchg'));
                   2683: 
1.16      raeburn  2684:     foreach my $student (sort @typechglist) {
1.51      raeburn  2685:         my ($uname,$udom) = split(/:/,$student);
1.16      raeburn  2686:         my $sdata    = $classlist->{$student};
                   2687:         my $section  = $sdata->[$secidx];
                   2688:         my $uid       = $sdata->[$ididx];
                   2689:         my $start    = $sdata->[$startidx];
                   2690:         my $end      = $sdata->[$endidx];
                   2691:         my $type     = $sdata->[$typeidx];
                   2692:         my $lock   = $sdata->[$lockedidx];
                   2693:         my $newlock = $lock;
                   2694:         $chgtotal ++;
                   2695:         my $newtype = 'auto';
                   2696:         my $change = 'auto';
                   2697:         my $oldtype = 'manual';
                   2698:         if ($type eq 'auto') { 
                   2699:             $oldtype = 'auto';
                   2700:             $newtype = '';
                   2701:             $change = 'manual';
                   2702:         }
                   2703:         if ($udom eq $dom) {
                   2704:             if ($newtype eq 'auto') {
                   2705:                 $newlock = '';
                   2706:             } elsif ($newtype eq '') {
                   2707:                 $newlock = '1';
1.14      raeburn  2708:             }
1.55      raeburn  2709:             my $modreply = &Apache::lonnet::modify_student_enrollment($udom,$uname,$uid,'','','','',$section,$end,$start,$newtype,$newlock,$cid,'','chgtype');
1.16      raeburn  2710:             if ($modreply eq 'ok') {
                   2711:                 $chgok ++;
                   2712:                 $chg{$student} = "Changed to $change";
                   2713:             } else {
                   2714:                 $chgfail ++;
                   2715:                 $nochg{$student} = "Still set to $oldtype";
                   2716:             } 
                   2717:         } else {
                   2718:             $othdom ++;
                   2719:             $otherdom{$student} = "Still set to $oldtype"; 
                   2720:         }
                   2721:     }
                   2722:     foreach my $student (@lockchglist) {
1.51      raeburn  2723:         my ($uname,$udom) = split(/:/,$student);
1.16      raeburn  2724:         my $sdata    = $classlist->{$student};
                   2725:         my $section  = $sdata->[$secidx];
                   2726:         my $uid       = $sdata->[$ididx];
                   2727:         my $start    = $sdata->[$startidx];
                   2728:         my $end      = $sdata->[$endidx];
                   2729:         my $type     = $sdata->[$typeidx];
                   2730:         my $lock   = $sdata->[$lockedidx];
                   2731:         my $newlock = 1;
                   2732:         my $oldlockname = &mt('unlocked');
                   2733:         my $newlockname = &mt('locked');
                   2734:         $locktotal++;
                   2735:         unless ($type eq 'auto') {
                   2736:             if ($lock) {
                   2737:                 $newlock = '';
                   2738:                 $newlockname = &mt('unlocked');
                   2739:                 $oldlockname = &mt('locked'); 
                   2740:             }
1.55      raeburn  2741:             my $lockreply = &Apache::lonnet::modify_student_enrollment($udom,$uname,$uid,'','','','',$section,$end,$start,$type,$newlock,$cid,'','chgtype');
1.16      raeburn  2742:             if ($lockreply eq 'ok') {
                   2743:                 $lockok ++;
                   2744:                 $lockchg{$student} = 'Changed to '.$newlockname;
1.14      raeburn  2745:             } else {
1.16      raeburn  2746:                 $lockfail ++;
                   2747:                 $nolockchg{$student} = 'Still set to '.$oldlockname;
1.14      raeburn  2748:             }
                   2749:         }
                   2750:     }
                   2751:     if ($chgtotal > 0) {
1.51      raeburn  2752:         $response = &mt('You requested a change in enrollment type for [quant,_1,student].',$chgtotal).'<br /><br />'."\n";
1.27      albertel 2753:         $classlist = &Apache::loncoursedata::get_classlist($dom,$crs);
1.14      raeburn  2754:         if ($chgok > 0) {
1.51      raeburn  2755:             $response .= &mt('The following [quant,_1,change was,changes were] successful;',$chgtotal).':<br /><br />';
1.14      raeburn  2756:             $response .= &enrolltype_result(\%chg,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx);
                   2757:         }
                   2758:         if ($chgfail > 0) {
1.51      raeburn  2759:             $response .= &mt('The following [quant,_1,student was,students were] not modified successfully',$chgfail).':&nbsp;<br />';
1.14      raeburn  2760:             $response .= &enrolltype_result(\%nochg,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx);
                   2761:         }
                   2762:         if ($othdom > 0) {
1.51      raeburn  2763:             $response .= &mt("The following [quant,_1,student was,students were] not modified because students must be in the same LON-CAPA domain as the course, in order to be set to an enrollment type of 'auto'",$othdom).':<br />'; 
1.14      raeburn  2764:             $response .= &enrolltype_result(\%otherdom,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx);
                   2765:         }
1.16      raeburn  2766:         $response .= "<br /><br />";
                   2767:     }
                   2768:     if ($locktotal > 0) {
1.51      raeburn  2769:         $response .= &mt('You requested locking/unlocking for [quant,_1,manually enrolled student]',$locktotal).'<br /><br />'."\n";
1.27      albertel 2770:         $classlist = &Apache::loncoursedata::get_classlist($dom,$crs);
1.16      raeburn  2771:         if ($lockok > 0) {
1.51      raeburn  2772:             $response .= &mt('The following [quant,_1,change was,changes were] successful',$lockok).':<br /><br />';
1.16      raeburn  2773:             $response .= &enrolltype_result(\%lockchg,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx,$lockedidx);
                   2774:         }
                   2775:         if ($lockfail > 0) {
1.51      raeburn  2776:             $response .= &mt('The following [quant,_1,student was,students were] not modified successfully',$lockfail).':&nbsp;<br />';
1.16      raeburn  2777:             $response .= &enrolltype_result(\%nolockchg,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx,$lockedidx);
                   2778:         }
1.14      raeburn  2779:     }
                   2780:     &print_reply($r,$response,$$tasktitleref{$action});
                   2781:     return;
                   2782: }
                   2783: 
                   2784: sub enrolltype_result {
1.16      raeburn  2785:     my ($changes,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx,$lockedidx) = @_;
1.51      raeburn  2786:     my $reply = &Apache::loncommon::start_data_table().
                   2787:                 &Apache::loncommon::start_data_table_header_row().'
1.14      raeburn  2788:               <th>username</th>
                   2789:               <th>domain</th>
                   2790:               <th>ID</th>
                   2791:               <th>student name</th>
                   2792:               <th>section</th>
                   2793:               <th>start date</th>
                   2794:               <th>end date</th>
1.51      raeburn  2795:               <th>enrollment change</th>'."\n".
                   2796:                 &Apache::loncommon::end_data_table_header_row();
                   2797:     foreach my $chg (sort keys %{$changes}) {
                   2798:         my $sdata  = $classlist->{$chg};
                   2799:         my ($uname,$udom) = split(/:/,$chg);
1.14      raeburn  2800:         my $section  = $sdata->[$secidx];
                   2801:         my $uid      = $sdata->[$ididx];
                   2802:         my $start    = $sdata->[$startidx];
                   2803:         my $end      = $sdata->[$endidx];
                   2804:         my $type     = $sdata->[$typeidx];
                   2805:         if (! defined($start) || $start == 0) {
                   2806:             $start = &mt('none');
                   2807:         } else {
                   2808:             $start = &Apache::lonlocal::locallocaltime($start);
                   2809:         }
                   2810:         if (! defined($end) || $end == 0) {
                   2811:             $end = &mt('none');
                   2812:         } else {
                   2813:             $end = &Apache::lonlocal::locallocaltime($end);
                   2814:         }
                   2815:         if (!defined($section) || ($section eq '')) {
1.51      raeburn  2816:             $section = '&nbsp;';
1.14      raeburn  2817:         }
                   2818:         if (!defined($uid) || ($uid eq '')) {
1.51      raeburn  2819:             $uid = '&nbsp;';
1.14      raeburn  2820:         }
1.51      raeburn  2821:         $reply .= &Apache::loncommon::start_data_table_row().' 
                   2822:               <td>'.$uname.'</td>
                   2823:               <td>'.$udom.'</td>
                   2824:               <td>'.$uid.'</td>
                   2825:               <td>'.&Apache::loncommon::plainname($uname,$udom).'</td>
                   2826:               <td>'.$section.'</td>
                   2827:               <td>'.$start.'</td>
                   2828:               <td>'.$end.'</td>
                   2829:               <td>'.$$changes{$chg}.'</td>'."\n".
                   2830:              &Apache::loncommon::end_data_table_row();
1.14      raeburn  2831:     }
1.51      raeburn  2832:     $reply .= &Apache::loncommon::end_data_table();
1.14      raeburn  2833:     return $reply;
                   2834: }
                   2835: 
1.10      raeburn  2836: sub warning_message {
                   2837:     my ($dom,$crs,$caller) = @_;
                   2838:     my %settings = &Apache::lonnet::get('environment',['internal.autoadds','internal.autodrops','internal.sectionnums','internal.crosslistings','internal.autostart','internal.autoend'],$dom,$crs);
                   2839:     my $currend = '';
                   2840:     my $currstart = '';
                   2841:     my $currsecs = '';
                   2842:     my $currxlists = '';
                   2843:     my $warning = '';
                   2844:     my $curradds = '';
                   2845:     my $currdrops = '';
                   2846:     if ( defined($settings{'internal.autoadds'}) ) {
                   2847:         $curradds = $settings{'internal.autoadds'};
                   2848:     }
                   2849:     if (defined($settings{'internal.autodrops'}) ) {
                   2850:         $currdrops = $settings{'internal.autodrops'};
                   2851:     }
                   2852:     if ( defined($settings{'internal.autostart'}) ) {
                   2853:         $currstart = $settings{'internal.autostart'};
                   2854:     }
                   2855:     if ( defined($settings{'internal.autoend'}) ) {
                   2856:         $currend = $settings{'internal.autoend'};
                   2857:     }
                   2858:     if ( defined($settings{'internal.sectionnums'}) ) {
                   2859:         $currsecs = $settings{'internal.sectionnums'};
                   2860:     }
                   2861:     if ( defined($settings{'internal.crosslistings'}) ) {
                   2862:         $currxlists = $settings{'internal.crosslistings'}
                   2863:     }
                   2864:     unless ($caller eq 'setdates') {
                   2865:         if ( ($currstart eq '') && ($currend eq '') )  {
                   2866:             $warning = "You <b>must</b> now use <a href='/adm/populate?action=setdates'>Change enrollment dates</a> to set a start date <i>and</i> an end date for the enrollment (or check the 'No end date' checkbox) for the nightly adds process to actually occur.</br></br>";
                   2867:         }
                   2868:     }
                   2869:     unless ( ($caller eq 'sections') || ($caller eq 'crosslist') ) {
                   2870:         if ( ($currsecs eq '') && ($currxlists eq '') ) {
                   2871:             $warning .= "You <b>must</b> now use <a href='/adm/populate?action=sections'>Section settings</a> and/or <a href='/adm/populate?action=crosslist'>Change crosslistings</a> to choose at least one section of the course, or at least one crosslisted course which will contribute enrollment to this LON-CAPA course.  At present there are <b>NO</b> sections or crosslisted courses that are affiliated with this course that are set to contribute to the automated enrollment process.<br/><br/>";
                   2872:         }
                   2873:     }
                   2874:     unless ( $caller eq 'chgsettings') {
                   2875:         if ( (!$curradds) && (!$currdrops) ) {
                   2876:             $warning .= "You <b>must</b> now use <a href='/adm/populate?action=chgsettings'>Automated adds/drops</a> to enable automated adds and/or drops if you want automatic enrollment updates to occur in this course.<br/><br/>.";
                   2877:         }
                   2878:     }
                   2879:     return $warning;
1.1       raeburn  2880: }
                   2881: 
                   2882: sub print_reply () {
                   2883:   my ($r,$response,$caller) = @_;
                   2884:   $r->print("
                   2885:             <br/><table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                   2886:              <tr>
1.14      raeburn  2887:               <td align=\"left\"><b>$caller</b> - result<br/><br/>$response</td>
1.1       raeburn  2888:              </tr>
                   2889:             </table>
                   2890:   ");
                   2891:   return;
                   2892: }
                   2893: 
                   2894: sub setup_date_selectors {
1.14      raeburn  2895:     my ($starttime,$endtime,$action) = @_;
1.1       raeburn  2896:     if (! defined($starttime)) {
                   2897:         $starttime = time;
1.14      raeburn  2898:         if ($action eq 'setdates') {
1.23      albertel 2899:             if (exists($env{'course.'.$env{'request.course.id'}.
1.1       raeburn  2900:                             '.default_enrollment_start_date'})) {
1.23      albertel 2901:                 $starttime = $env{'course.'.$env{'request.course.id'}.
1.1       raeburn  2902:                                   '.default_enrollment_start_date'};
1.14      raeburn  2903:             }
1.1       raeburn  2904:         }
                   2905:     }
                   2906:     if (! defined($endtime)) {
                   2907:         $endtime = time+(6*30*24*60*60); # 6 months from now, approx
1.14      raeburn  2908:         if ($action eq 'setdates') {
1.23      albertel 2909:             if (exists($env{'course.'.$env{'request.course.id'}.
1.1       raeburn  2910:                             '.default_enrollment_end_date'})) {
1.23      albertel 2911:                 $endtime = $env{'course.'.$env{'request.course.id'}.
1.1       raeburn  2912:                                 '.default_enrollment_end_date'};
1.14      raeburn  2913:             }
1.1       raeburn  2914:         }
                   2915:     }
                   2916:     my $startdateform = &Apache::lonhtmlcommon::date_setter('enter',
                   2917:                                                             'startdate',
                   2918:                                                             $starttime);
                   2919:     my $enddateform = &Apache::lonhtmlcommon::date_setter('enter',
                   2920:                                                           'enddate',
                   2921:                                                           $endtime);
                   2922:     return ($startdateform,$enddateform);
                   2923: }
                   2924: 
                   2925: sub get_dates_from_form {
1.14      raeburn  2926:     my $startdate;
                   2927:     my $enddate;
                   2928:     $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
                   2929:     $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate');
1.23      albertel 2930:     if ( exists ($env{'form.no_end_date'}) ) {
1.1       raeburn  2931:         $enddate = 0;
                   2932:     }
                   2933:     return ($startdate,$enddate);
                   2934: }
                   2935: 
                   2936: sub date_setting_table {
1.14      raeburn  2937:     my ($starttime,$endtime,$action) = @_;
                   2938:     my ($startform,$endform) = &setup_date_selectors($starttime,$endtime,$action);
1.57      bisitz   2939:     my $perpetual = '<span class="LC_nobreak"><label><input type="checkbox" name="no_end_date"';
1.14      raeburn  2940:     if (($action eq 'setdates' && defined($endtime) && $endtime == 0) || (($action eq 'setaccess' || $action eq 'updatenow') && ($endtime eq '' || $endtime == 0)) ) {
1.1       raeburn  2941:         $perpetual .= ' checked';
                   2942:     }
1.57      bisitz   2943:     $perpetual.= ' />'.' no ending date</label></span>';
1.1       raeburn  2944:     my $start_table = '';
                   2945:     $start_table .= "<table>\n";
                   2946:     $start_table .= '<tr><td align="right">Starting Date</td>'.
                   2947:         '<td>'.$startform.'</td>'.
                   2948:         '<td>&nbsp;</td>'."</tr>\n";
                   2949:     $start_table .= "</table>";
                   2950:     my $end_table = '';
                   2951:     $end_table .= "<table>\n";
                   2952:     $end_table .= '<tr><td align="right">Ending Date</td>'.
                   2953:         '<td>'.$endform.'</td>'.
                   2954:         '<td>'.$perpetual.'</td>'."</tr>\n";
                   2955:     $end_table .= "</table>\n";
                   2956:     return ($start_table, $end_table);
                   2957: }
                   2958: 
1.42      raeburn  2959: sub validate_lcsec {
                   2960:     my ($curr_groups,$lcsec) = @_;
                   2961:     if (($lcsec eq 'all') || ($lcsec eq 'none')) {
                   2962:         return 'reserved';
                   2963:     } else {
                   2964:         if (exists($$curr_groups{$lcsec})) {
                   2965:             return 'group'; 
                   2966:         }
                   2967:     }
                   2968:     return 'ok';
                   2969: }
                   2970: 
1.48      albertel 2971: sub user_is_courseowner {
                   2972:     my ($courseowner) = @_;
                   2973:     my $user;
                   2974:     if ($courseowner =~ /^[^:]+:[^:]+$/) {
                   2975: 	$user = $env{'user.name'}.':'.$env{'user.domain'};
                   2976:     } else {
                   2977: 	$user = $env{'user.name'};
                   2978:     }
                   2979:     return ($user eq $courseowner);
                   2980: }
                   2981:     
1.1       raeburn  2982: ###################################################################
                   2983: sub handler {
                   2984:     my $r = shift;
                   2985:     if ($r->header_only) {
1.22      albertel 2986: 	&Apache::loncommon::content_type($r,'text/html');
1.1       raeburn  2987:         $r->send_http_header;
                   2988:         return OK;
                   2989:     }
                   2990:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['action','state']);
                   2991:     #  Needs to be in a course
1.23      albertel 2992:     if (! (($env{'request.course.fn'}) &&  (&Apache::lonnet::allowed('cst',$env{'request.course.id'})))) {
1.1       raeburn  2993:         # Not in a course, or not allowed to modify parms
1.23      albertel 2994:         $env{'user.error.msg'}="/adm/populate:cst:0:0:Cannot drop or add students";
1.34      raeburn  2995:         return HTTP_NOT_ACCEPTABLE;
1.1       raeburn  2996:     }
                   2997:     # Start page
1.22      albertel 2998:     &Apache::loncommon::content_type($r,'text/html');
1.1       raeburn  2999:     $r->send_http_header;
                   3000: 
1.34      raeburn  3001:     my @tasks = ("information","chgsettings","setdates","setaccess","notify","crosslist","sections","photos","updatenow","updatephotos","viewclass");
1.1       raeburn  3002:                                                                                  
                   3003:     my %tasklong = (
                   3004:                information => "Task information",
                   3005:                chgsettings => "Automated adds/drops",
                   3006:                setdates => "Change enrollment dates",
1.14      raeburn  3007:                setaccess => "Change access dates",
1.1       raeburn  3008:                notify => "Notification of changes",
                   3009:                crosslist => "Change crosslistings",
                   3010:                sections => "Section settings",
1.34      raeburn  3011:                photos => "Student photo settings",
                   3012:                updatephotos => "Update student photos",
1.1       raeburn  3013:                updatenow => "Update roster now",
                   3014:                newcross => "Add crosslistings",
1.14      raeburn  3015:                newsections => "Add sections",
1.16      raeburn  3016:                viewclass => "View students and change type",
1.1       raeburn  3017:     );
                   3018:                                                                                  
                   3019:     my %tasktitle = (
                   3020:                chgsettings => "Changes to nightly automated enrollments",
                   3021:                setdates => "Changes to first and/or last automated enrollment dates",
1.14      raeburn  3022:                setaccess => "Changes to default start and/or end dates for student access",
1.1       raeburn  3023:                notify => "Notification of enrollment changes",
                   3024:                crosslist => "Changes to crosslistings",
                   3025:                sections => "Changes to section settings",
1.34      raeburn  3026:                photos => "Student photo settings",
                   3027:                updatephotos => "Update student photos",
1.1       raeburn  3028:                updatenow => "Immediate course roster update",
                   3029:                newcross => "Adding new crosslisted courses",
1.14      raeburn  3030:                newsections => "Adding new course sections",
                   3031:                viewclass => "Viewing class roster and enrollment type"
1.1       raeburn  3032:     );
                   3033: 
                   3034:     my $realm = '';
1.23      albertel 3035:     if ( exists($env{'request.course.id'}) ) {
                   3036:         $realm= $env{'course.'.$env{'request.course.id'}.'.description'};
1.1       raeburn  3037:     }
                   3038:     unless ($realm) { $realm='&nbsp;'; }
1.23      albertel 3039:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3040:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
1.1       raeburn  3041:     
                   3042:     #
                   3043:     # Main switch on form.action and form.state, as appropriate
                   3044:     #
                   3045: 
                   3046:     my $action = "information";
1.23      albertel 3047:     if ( exists($env{'form.action'}) ) {
                   3048:         $action = $env{'form.action'};
1.1       raeburn  3049:     }
                   3050:     my $state = "choose";
                   3051: 
1.23      albertel 3052:     if ( exists($env{'form.state'}) ) {
                   3053:         $state = $env{'form.state'};
1.1       raeburn  3054:     }
                   3055: 
                   3056:     if ($action eq "information") {
                   3057:         $r->print(&header()); 
                   3058:     } else {
                   3059:         if ($state eq "choose") {
1.16      raeburn  3060:             $r->print(&choose_header($action));
1.1       raeburn  3061:         } else {
                   3062:             if ($action eq "crosslist") {
1.23      albertel 3063:                 if ( exists($env{'form.numcross'}) ) {
                   3064:                     if ( $env{'form.numcross'} > 0 ) {
1.16      raeburn  3065:                         $r->print(&choose_header($action));
1.1       raeburn  3066:                     } else {
                   3067:                         $r->print(&header());
                   3068:                     }
                   3069:                 } else {
                   3070:                     $r->print(&header());
                   3071:                 }
                   3072:             } elsif ($action eq "sections") {
1.23      albertel 3073:                 if ( exists($env{'form.numsec'}) ) {
                   3074:                     if ( $env{'form.numsec'} > 0 ) {
1.16      raeburn  3075:                         $r->print(&choose_header($action));
1.1       raeburn  3076:                     } else {
                   3077:                         $r->print(&header());
                   3078:                     }
                   3079:                 } else {
                   3080:                     $r->print(&header());
                   3081:                 }
                   3082:             } else {
                   3083:                 $r->print(&header());
                   3084:             }
                   3085:         }
                   3086:     }
1.12      raeburn  3087: 
1.1       raeburn  3088:     my $reply = 0;
                   3089:     unless ($state eq "choose") { $reply = 1; }
                   3090: 
                   3091:     &print_mainbox($r,\%tasklong,$realm,$reply);
                   3092:     &print_navmenu($r,\@tasks,\%tasklong);
                   3093:     
                   3094:     if (($state eq "choose") || ($action eq "information")) {
1.13      raeburn  3095:         &print_main_frame($r,$realm,$dom,$crs,\%tasktitle);
1.1       raeburn  3096:     } elsif ($action eq "chgsettings") {
                   3097:         &print_chgsettings_response($r,$realm,$dom,$crs,$action,\%tasktitle);
                   3098:     } elsif ($action eq "setdates") {
                   3099:         &print_setdates_response($r,$realm,$dom,$crs,$action,\%tasktitle);
1.14      raeburn  3100:     } elsif ($action eq "setaccess") {
                   3101:         &print_setaccess_response($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  3102:     } elsif ($action eq "notify") {
                   3103:         &print_notify_response($r,$realm,$dom,$crs,$action,\%tasktitle);
                   3104:     } elsif ($action eq "sections") {
1.13      raeburn  3105:         &print_sections_menu($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  3106:     } elsif ($action eq "crosslist") {
1.13      raeburn  3107:         &print_crosslistings_menu($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  3108:     } elsif ($action eq "updatenow") {
1.13      raeburn  3109:         &print_update_result($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  3110:     } elsif ($action eq "photos") {
1.34      raeburn  3111:         if ($state eq "photoupdate") {
                   3112:             &print_photoupdate_response($r,$realm,$dom,$crs,$action,\%tasktitle);
                   3113:         } else { 
                   3114:             &photo_permission($r,$realm,$dom,$crs,$action,\%tasktitle);
                   3115:         }
                   3116:     } elsif ($action eq "updatephotos") {
                   3117:         &print_photoupdate_response($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  3118:     } elsif ($action eq "newcross") {
1.13      raeburn  3119:         &print_crosslistings_response($r,$realm,$dom,$crs,$action,\%tasktitle);    
1.1       raeburn  3120:     } elsif ($action eq "newsections") {
1.13      raeburn  3121:         &print_sections_response($r,$realm,$dom,$crs,$action,\%tasktitle);
1.14      raeburn  3122:     } elsif ($action eq "viewclass") {
                   3123:         &print_viewclass_response($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  3124:     }
                   3125:     &print_doc_base($r);  
                   3126:     return OK;
                   3127: }
                   3128: ###################################################################
                   3129: 1;

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